Number: Addition and subtraction

Unit

Maths

Year 3

Number: Addition and subtraction

Master The Curriculum

Maths Unit Description

Differentiated

Editable presentation

Group work

Starter Activity

Revision

Number: Addition and subtraction is a series of lessons and resources by Master the Curriculum supporting White Rose Maths, focusing on Problem Solving, Reasoning and Fluency to help children work towards mastery

Unit contents

Lessons

1. Add and subtract multiples of 100

1. Add and subtract multiples of 100

Add and subtract multiples of 100 is a lesson by Master the Curriculum supporting White Rose Maths, including a series of teaching slides, starter activities and worksheets with answers, focusing on problem solving, reasoning and fluency to help children work towards mastery

2. Add and subtract 1s

2. Add and subtract 1s

Add and subtract 1s is a lesson by Master the Curriculum supporting White Rose Maths, including a series of teaching slides, starter activities and worksheets with answers, focusing on problem solving, reasoning and fluency to help children work towards mastery

3. Three-digit and one-digit numbers not crossing 10

3. Three-digit and one-digit numbers not crossing 10

Three-digit and one-digit numbers not crossing 10 is a lesson by Master the Curriculum supporting White Rose Maths, including a series of teaching slides, starter activities and worksheets with answers, focusing on problem solving, reasoning and fluency to help children work towards mastery

4. Add two-digit and one-digit numbers

4. Add two-digit and one-digit numbers

Add two-digit and one-digit numbers is a lesson by Master the Curriculum supporting White Rose Maths, including a series of teaching slides, starter activities and worksheets with answers, focusing on problem solving, reasoning and fluency to help children work towards mastery

5. Add three-digit and one-digit numbers crossing 10

5. Add three-digit and one-digit numbers crossing 10

Add three-digit and one-digit numbers crossing 10 is a lesson by Master the Curriculum supporting White Rose Maths, including a series of teaching slides, starter activities and worksheets with answers, focusing on problem solving, reasoning and fluency to help children work towards mastery

6. Subtract one- from two-digit numbers

6. Subtract one- from two-digit numbers

Subtract one- from two-digit numbers is a lesson by Master the Curriculum supporting White Rose Maths, including a series of teaching slides, starter activities and worksheets with answers, focusing on problem solving, reasoning and fluency to help children work towards mastery

7. Subtract a one-digit number from a three-digit number crossing 10

7. Subtract a one-digit number from a three-digit number crossing 10

Subtract a one-digit number from a three-digit number crossing 10 is a lesson by Master the Curriculum supporting White Rose Maths, including a series of teaching slides, starter activities and worksheets with answers, focusing on problem solving, reasoning and fluency to help children work towards mastery

8. Add and subtract three-digit and ?two-digit numbers not crossing 100

8. Add and subtract three-digit and ?two-digit numbers not crossing 100

Add and subtract three-digit and ?two-digit numbers not crossing 100 is a lesson by Master the Curriculum supporting White Rose Maths, including a series of teaching slides, starter activities and worksheets with answers, focusing on problem solving, reasoning and fluency to help children work towards mastery

9. Add three-digit and ?two-digit numbers crossing 100

9. Add three-digit and ?two-digit numbers crossing 100

Add three-digit and ?two-digit numbers crossing 100 is a lesson by Master the Curriculum supporting White Rose Maths, including a series of teaching slides, starter activities and worksheets with answers, focusing on problem solving, reasoning and fluency to help children work towards mastery

10. Subtract a two-digit number from a ?three-digit number crossing 100

10. Subtract a two-digit number from a ?three-digit number crossing 100

Subtract a two-digit number from a ?three-digit number crossing 100 is a lesson by Master the Curriculum supporting White Rose Maths, including a series of teaching slides, starter activities and worksheets with answers, focusing on problem solving, reasoning and fluency to help children work towards mastery

11. Subtract one- from two-digit numbers

11. Subtract one- from two-digit numbers

Subtract one- from two-digit numbers is a lesson by Master the Curriculum supporting White Rose Maths, including a series of teaching slides, starter activities and worksheets with answers, focusing on problem solving, reasoning and fluency to help children work towards mastery

12. Pattern spotting

12. Pattern spotting

Pattern spotting is a lesson by Master the Curriculum supporting White Rose Maths, including a series of teaching slides, starter activities and worksheets with answers, focusing on problem solving, reasoning and fluency to help children work towards mastery

13. Add two-digit numbers

13. Add two-digit numbers

Add two-digit numbers is a lesson by Master the Curriculum supporting White Rose Maths, including a series of teaching slides, starter activities and worksheets with answers, focusing on problem solving, reasoning and fluency to help children work towards mastery

14. Subtract with two-digit numbers

14. Subtract with two-digit numbers

Subtract with two-digit numbers is a lesson by Master the Curriculum supporting White Rose Maths, including a series of teaching slides, starter activities and worksheets with answers, focusing on problem solving, reasoning and fluency to help children work towards mastery

15. Add and subtract 100s word problems

15. Add and subtract 100s word problems

Add and subtract 100s word problems is a lesson by Master the Curriculum supporting White Rose Maths, including a series of teaching slides, starter activities and worksheets with answers, focusing on problem solving, reasoning and fluency to help children work towards mastery

16. Add and subtract two-digit and ?three-digit numbers not crossing 10 or 100

16. Add and subtract two-digit and ?three-digit numbers not crossing 10 or 100

Add and subtract two-digit and ?three-digit numbers not crossing 10 or 100 is a lesson by Master the Curriculum supporting White Rose Maths, including a series of teaching slides, starter activities and worksheets with answers, focusing on problem solving, reasoning and fluency to help children work towards mastery

17. Add a two-digit and ?three-digit number crossing 10 or 100?

17. Add a two-digit and ?three-digit number crossing 10 or 100?

Add a two-digit and ?three-digit number crossing 10 or 100? is a lesson by Master the Curriculum supporting White Rose Maths, including a series of teaching slides, starter activities and worksheets with answers, focusing on problem solving, reasoning and fluency to help children work towards mastery

18. Subtract a two-digit number from a ?three-digit number crossing 10 or 100

18. Subtract a two-digit number from a ?three-digit number crossing 10 or 100

Subtract a two-digit number from a ?three-digit number crossing 10 or 100 is a lesson by Master the Curriculum supporting White Rose Maths, including a series of teaching slides, starter activities and worksheets with answers, focusing on problem solving, reasoning and fluency to help children work towards mastery

19. Add two three-digit numbers not crossing 10 or 100

19. Add two three-digit numbers not crossing 10 or 100

Add two three-digit numbers not crossing 10 or 100 is a lesson by Master the Curriculum supporting White Rose Maths, including a series of teaching slides, starter activities and worksheets with answers, focusing on problem solving, reasoning and fluency to help children work towards mastery

20. Add two three-digit numbers ?crossing 10 or 100?

20. Add two three-digit numbers ?crossing 10 or 100?

Add two three-digit numbers ?crossing 10 or 100? is a lesson by Master the Curriculum supporting White Rose Maths, including a series of teaching slides, starter activities and worksheets with answers, focusing on problem solving, reasoning and fluency to help children work towards mastery

21. Subtract a three-digit number from a three-digit number no exchange

21. Subtract a three-digit number from a three-digit number no exchange

Subtract a three-digit number from a three-digit number no exchange is a lesson by Master the Curriculum supporting White Rose Maths, including a series of teaching slides, starter activities and worksheets with answers, focusing on problem solving, reasoning and fluency to help children work towards mastery

22. Subtract a three-digit number from a three-digit number exchange

22. Subtract a three-digit number from a three-digit number exchange

Subtract a three-digit number from a three-digit number exchange is a lesson by Master the Curriculum supporting White Rose Maths, including a series of teaching slides, starter activities and worksheets with answers, focusing on problem solving, reasoning and fluency to help children work towards mastery

23. Estimate numbers

23. Estimate numbers

Estimate numbers is a lesson by Master the Curriculum supporting White Rose Maths, including a series of teaching slides, starter activities and worksheets with answers, focusing on problem solving, reasoning and fluency to help children work towards mastery

24. Check answers

24. Check answers

Check answers is a lesson by Master the Curriculum supporting White Rose Maths, including a series of teaching slides, starter activities and worksheets with answers, focusing on problem solving, reasoning and fluency to help children work towards mastery

Assessments

Addition and subtraction - Assessment is an assessment by Master the Curriculum to be used at the end of this unit, so that you can assess your students' understanding and find where there may be misconceptions

Displays

Vocabulary Cards

Vocabulary Cards

Addition and subtraction - Vocabulary

Unit contents

Lessons

1. Add and subtract multiples of 100

1. Add and subtract multiples of 100

Add and subtract multiples of 100 is a lesson by Master the Curriculum supporting White Rose Maths, including a series of teaching slides, starter activities and worksheets with answers, focusing on problem solving, reasoning and fluency to help children work towards mastery

2. Add and subtract 1s

2. Add and subtract 1s

Add and subtract 1s is a lesson by Master the Curriculum supporting White Rose Maths, including a series of teaching slides, starter activities and worksheets with answers, focusing on problem solving, reasoning and fluency to help children work towards mastery

3. Three-digit and one-digit numbers not crossing 10

3. Three-digit and one-digit numbers not crossing 10

Three-digit and one-digit numbers not crossing 10 is a lesson by Master the Curriculum supporting White Rose Maths, including a series of teaching slides, starter activities and worksheets with answers, focusing on problem solving, reasoning and fluency to help children work towards mastery

4. Add two-digit and one-digit numbers

4. Add two-digit and one-digit numbers

Add two-digit and one-digit numbers is a lesson by Master the Curriculum supporting White Rose Maths, including a series of teaching slides, starter activities and worksheets with answers, focusing on problem solving, reasoning and fluency to help children work towards mastery

5. Add three-digit and one-digit numbers crossing 10

5. Add three-digit and one-digit numbers crossing 10

Add three-digit and one-digit numbers crossing 10 is a lesson by Master the Curriculum supporting White Rose Maths, including a series of teaching slides, starter activities and worksheets with answers, focusing on problem solving, reasoning and fluency to help children work towards mastery

6. Subtract one- from two-digit numbers

6. Subtract one- from two-digit numbers

Subtract one- from two-digit numbers is a lesson by Master the Curriculum supporting White Rose Maths, including a series of teaching slides, starter activities and worksheets with answers, focusing on problem solving, reasoning and fluency to help children work towards mastery

7. Subtract a one-digit number from a three-digit number crossing 10

7. Subtract a one-digit number from a three-digit number crossing 10

Subtract a one-digit number from a three-digit number crossing 10 is a lesson by Master the Curriculum supporting White Rose Maths, including a series of teaching slides, starter activities and worksheets with answers, focusing on problem solving, reasoning and fluency to help children work towards mastery

8. Add and subtract three-digit and ?two-digit numbers not crossing 100

8. Add and subtract three-digit and ?two-digit numbers not crossing 100

Add and subtract three-digit and ?two-digit numbers not crossing 100 is a lesson by Master the Curriculum supporting White Rose Maths, including a series of teaching slides, starter activities and worksheets with answers, focusing on problem solving, reasoning and fluency to help children work towards mastery

9. Add three-digit and ?two-digit numbers crossing 100

9. Add three-digit and ?two-digit numbers crossing 100

Add three-digit and ?two-digit numbers crossing 100 is a lesson by Master the Curriculum supporting White Rose Maths, including a series of teaching slides, starter activities and worksheets with answers, focusing on problem solving, reasoning and fluency to help children work towards mastery

10. Subtract a two-digit number from a ?three-digit number crossing 100

10. Subtract a two-digit number from a ?three-digit number crossing 100

Subtract a two-digit number from a ?three-digit number crossing 100 is a lesson by Master the Curriculum supporting White Rose Maths, including a series of teaching slides, starter activities and worksheets with answers, focusing on problem solving, reasoning and fluency to help children work towards mastery

11. Subtract one- from two-digit numbers

11. Subtract one- from two-digit numbers

Subtract one- from two-digit numbers is a lesson by Master the Curriculum supporting White Rose Maths, including a series of teaching slides, starter activities and worksheets with answers, focusing on problem solving, reasoning and fluency to help children work towards mastery

12. Pattern spotting

12. Pattern spotting

Pattern spotting is a lesson by Master the Curriculum supporting White Rose Maths, including a series of teaching slides, starter activities and worksheets with answers, focusing on problem solving, reasoning and fluency to help children work towards mastery

13. Add two-digit numbers

13. Add two-digit numbers

Add two-digit numbers is a lesson by Master the Curriculum supporting White Rose Maths, including a series of teaching slides, starter activities and worksheets with answers, focusing on problem solving, reasoning and fluency to help children work towards mastery

14. Subtract with two-digit numbers

14. Subtract with two-digit numbers

Subtract with two-digit numbers is a lesson by Master the Curriculum supporting White Rose Maths, including a series of teaching slides, starter activities and worksheets with answers, focusing on problem solving, reasoning and fluency to help children work towards mastery

15. Add and subtract 100s word problems

15. Add and subtract 100s word problems

Add and subtract 100s word problems is a lesson by Master the Curriculum supporting White Rose Maths, including a series of teaching slides, starter activities and worksheets with answers, focusing on problem solving, reasoning and fluency to help children work towards mastery

16. Add and subtract two-digit and ?three-digit numbers not crossing 10 or 100

16. Add and subtract two-digit and ?three-digit numbers not crossing 10 or 100

Add and subtract two-digit and ?three-digit numbers not crossing 10 or 100 is a lesson by Master the Curriculum supporting White Rose Maths, including a series of teaching slides, starter activities and worksheets with answers, focusing on problem solving, reasoning and fluency to help children work towards mastery

17. Add a two-digit and ?three-digit number crossing 10 or 100?

17. Add a two-digit and ?three-digit number crossing 10 or 100?

Add a two-digit and ?three-digit number crossing 10 or 100? is a lesson by Master the Curriculum supporting White Rose Maths, including a series of teaching slides, starter activities and worksheets with answers, focusing on problem solving, reasoning and fluency to help children work towards mastery

18. Subtract a two-digit number from a ?three-digit number crossing 10 or 100

18. Subtract a two-digit number from a ?three-digit number crossing 10 or 100

Subtract a two-digit number from a ?three-digit number crossing 10 or 100 is a lesson by Master the Curriculum supporting White Rose Maths, including a series of teaching slides, starter activities and worksheets with answers, focusing on problem solving, reasoning and fluency to help children work towards mastery

19. Add two three-digit numbers not crossing 10 or 100

19. Add two three-digit numbers not crossing 10 or 100

Add two three-digit numbers not crossing 10 or 100 is a lesson by Master the Curriculum supporting White Rose Maths, including a series of teaching slides, starter activities and worksheets with answers, focusing on problem solving, reasoning and fluency to help children work towards mastery

20. Add two three-digit numbers ?crossing 10 or 100?

20. Add two three-digit numbers ?crossing 10 or 100?

Add two three-digit numbers ?crossing 10 or 100? is a lesson by Master the Curriculum supporting White Rose Maths, including a series of teaching slides, starter activities and worksheets with answers, focusing on problem solving, reasoning and fluency to help children work towards mastery

21. Subtract a three-digit number from a three-digit number no exchange

21. Subtract a three-digit number from a three-digit number no exchange

Subtract a three-digit number from a three-digit number no exchange is a lesson by Master the Curriculum supporting White Rose Maths, including a series of teaching slides, starter activities and worksheets with answers, focusing on problem solving, reasoning and fluency to help children work towards mastery

22. Subtract a three-digit number from a three-digit number exchange

22. Subtract a three-digit number from a three-digit number exchange

Subtract a three-digit number from a three-digit number exchange is a lesson by Master the Curriculum supporting White Rose Maths, including a series of teaching slides, starter activities and worksheets with answers, focusing on problem solving, reasoning and fluency to help children work towards mastery

23. Estimate numbers

23. Estimate numbers

Estimate numbers is a lesson by Master the Curriculum supporting White Rose Maths, including a series of teaching slides, starter activities and worksheets with answers, focusing on problem solving, reasoning and fluency to help children work towards mastery

24. Check answers

24. Check answers

Check answers is a lesson by Master the Curriculum supporting White Rose Maths, including a series of teaching slides, starter activities and worksheets with answers, focusing on problem solving, reasoning and fluency to help children work towards mastery

Assessments

Addition and subtraction - Assessment is an assessment by Master the Curriculum to be used at the end of this unit, so that you can assess your students' understanding and find where there may be misconceptions

Displays

Vocabulary Cards

Vocabulary Cards

Addition and subtraction - Vocabulary

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