Addition and subtraction - Add two three-digit numbers ​crossing 10 or 100​ - Starter

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Maths
Year 3
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Addition and subtraction - Add two three-digit numbers ​crossing 10 or 100​ - Starter
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Master The Curriculum
Master The Curriculum

Maths Resource Description

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As part of the Year 3 Autumn Term curriculum, Week 7 Day 5 focuses on enhancing students' skills in adding two three-digit numbers, particularly when these calculations involve crossing tens or hundreds. The 'Fluent in Four' revision section provides a variety of exercises designed to consolidate students' understanding of addition and subtraction through practical examples. One task requires students to complete a calculation by adding eight tens (which is 80) to thirteen ones and then subtracting 68, while another challenges them to find the missing number in an addition sum that equals 61. These exercises not only test arithmetic proficiency but also encourage students to think critically about number composition and the effects of adding or subtracting large values.

Further activities within the lesson include verifying the truth of a given mathematical statement and describing the next three shapes in a sequence, promoting logical reasoning and pattern recognition. Additionally, students are asked to solve a problem involving the addition of 243 to an unknown number, using their knowledge of place value within the hundreds, tens, and ones columns. This section is complemented by a real-world application where students analyze data related to the number of different animals on a farm, determining which animal is the most popular based on the given figures. These varied tasks are designed to engage students with practical and relatable scenarios, enhancing their numerical fluency and problem-solving skills.

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