Add and Subtract Numbers Mentally

Add and Subtract Numbers Mentally - 2nd Grade 2nd Grade math programme of study - Number - (addition and subtraction) students should be taught to: add and subtract number mentally, including: 3-digit numbers and ones, 3-digit numbers and tens and 3-digit numbers and hundreds In this math teaching resource, pupils practise adding and subtracting numbers mentally, including: a 3-digit number and ones; a 3-digit number and tens; a 3-digit number and hundreds as per the curriculum objectives of the year 3 math programme of study (Number - addition and subtraction). Content includes: Animated PowerPoint lesson with class activities and 1 accompanying worksheet 3 differentiated worksheets with answers 'Add and Subtract Numbers Mentally - 2nd Grade' is ;