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Y3 Y4 Y5 Add and Subtract Increasingly Large Numbers Mentally
These activities help pupils to practise adding and subtracting mentally.

1. Bar Models / Four Fact Families. Pupils use mental addition and subtraction together with their understanding of inverse operations to complete the bars and their associated 4 calculations. 2 pages (2 digit and 3 digit) plus answers.

2. Five in a line. Mental Addition and Subtraction - 2 self checking partner games - 2 digit and 3 digit.

The next five files each have 18 flip cards.
3-7. Each 18 Flip Cards: Print Double Sided (Back to Back) onto Card.
a. Work with partner and flip when you both have an answer.
b. Work on own and ask partner to flip and check your answers.
c. Work independently against a timer.
d. Make your own Easy, Hard, Harder Flip Cards.

Add further challenge by mixing sets of flip cards together.

3. Flip Cards Set #1 Add & Subtract 2 digit numbers mentally, no bridging / exchanging / carrying.
4. Flip Cards Set #2 Add & Subtract 2 digit numbers mentally, includes bridging / exchanging / carrying.
5. Flip Cards Set #3 Add & Subtract 3 digit numbers mentally, no bridging / exchanging / carrying.
6. Flip Cards Set #4 Add & Subtract 3 digit numbers mentally, includes some bridging / exchanging / carrying.
7. Flip Cards Set #5 Add & Subtract 3 digit numbers mentally, includes more bridging / exchanging / carrying.

8. Dartboard - 2 self checking partner games - 2 digit and 3 digit.
9. Five A Day Self Checking Partner Game 2 digit numbers.
10. Five A Day Checking Partner Game 3 digit numbers.
11. Pyramids. 2 pages of addition/subtraction pyramids plus answers. The first involves (mainly) 2 digit numbers, the second involves (mainly) 3 digit numbers.

Review

5

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SJCRUSE

6 years ago
5

Fantastic resources!! Thank you so much for all of your hard work!

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