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Mathematics

Arrays - rows go across, columns go down

Arrays - rows go across, columns go down  1

Adding and Subtracting word problems

Adding and Subtracting word problems  1

Arithmetic - answers below

1. 20 + 0 =

2. 14 + 9 =

3. 18 + 1 =

4. 10 + 0 =

5. 4 + 3 =

6. 19 - 0 =

7. 18 - 5 =

8. 11 - 9 =

9. 14 - 7 =

10. 11- 6 =

 

 

Challenge: missing numbers. What 2 numbers add together to make the answer? You could also use the inverse of subtraction to help you. 12 + ? = 20, 20 - 12 = 8, so the missing number is 8.

 

1. 18 + ? = 20

2. 17 + ? =18

3. 4 + ? = 10

4. 6 + ? = 14

5. 1 + ? = 19

Arithmetic answers

1. 20

2.23

3.19

4.10

5.7

6.19

7.13

8.2

9.7

10.5

 

Challenge

1.2

2.1

3.6

4.8

5.18

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