Worksheets & Whiteboard Resources for Primary Maths, SPaG & Science
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### Mathematics Number Facts Checking Calculations

Year 2, Unit 3, Block A

## Inverse Sign Posts

Understand that subtraction is the inverse of addition and vice versa; use this to derive and record related addition and subtraction number sentences

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Year 3, Unit 2, Block B
Ages 7 - 8

## Sweet, Sweet Sums

Solve one-step and two-step problems involving numbers, money or measures, including time, choosing and carrying out appropriate calculations

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Year 3, Unit 3, Block B
Ages 7 - 10

## Doubling Machine

Use knowledge of number operations and corresponding inverses, including doubling and halving, to estimate and check calculations.

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Year 4, Unit 1, Block A
Ages 8 - 10

## Calculator Checking

Use knowledge of rounding, number operations and inverses to estimate and check calculations

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Year 4, Unit 1, Block B
Ages 7 - 8

## Round of Golf

Use knowledge of rounding, number operations and inverses to estimate and check calculations

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Year 5, Unit 1, Block A
Ages 9 - 10

## Bun Bonanza

Use knowledge of rounding, place value, number facts and inverse operations to estimate and check calculations

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Year 5, Unit 2, Block A
Ages 9 - 10

## Beans Between

Use knowledge of rounding, place value, number facts and inverse operations to estimate and check calculations

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Year 5, Unit 2, Block A
Ages 8 - 10

## Mystery Number

Identify pairs of factors of two-digit whole numbers and find common multiples (e.g. for 6 and 9)

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Year 5, Unit 2, Block B
Ages 9 - 10

## Calculation rules

Use knowledge of rounding, place value, number facts and inverse operations to estimate and check calculations

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Year 5, Unit 3, Block A
Ages 9 - 11

## Picture Perfect

Use knowledge of rounding, place value, number facts and inverse operations to estimate and check calculations.

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