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# Mathematics

1. 17 + 3 =

2. 1 + 10 =

3. 6 + 7 =

4. 5 + 9 =

5. 9 + 3 =

6. 17 - 9 =

7. 19 - 9 =

8. 11 - 7 =

9. 16 - 8 =

10. 13 - 0 =

## Friday Challenge

Work out the star numbers first. If they add to make 20 and they are the same shape, then the number is the same. Work out half of 20 first to get you going :). I will reveal the answers later. You can draw your shapes on paper and write the numbers underneath to check. Good luck!

## Missing numbers - counting in 2's

Can you find the missing numbers by counting in 2's? Remember to look carefully at the first number on the number line. You could also pair objects together and count them or draw pairs of objects to help you.

1. 20

2.11

3.13

4.14

5.12

6.8

7.10

8.4

9.8

10.13

Remember you can draw counters, pictures or base 10 to help you. Remember our crossing out if you are subtracting. Think of your number bonds to 10 and 20 to help.

1.10 - 9  =

2. 13 - 11 =

3. 15 - 5 =

4. 10 - 8 =

5. 20 - 18 =

6. 8 + 9 =

7. 19 + 1 =

8. 3 + 0 =

9. 1 +17 =

10. 2 +2 =

## Problem of the Day

Remember you can draw the cartons. Each one has 2L in it. We can count in our 2's to help us.

1. 1

2.2

3.10

4.2

5.2

6.17

7.20

8.3

9. 18

10.14

## Finding half

Explore finding half (1/2) of a shape by folding paper or drawing the shapes and colouring in half. You could use an object to draw around to get an accurate shape, such as a plate.

1. 10 + 9 =

2. 13 + 5 =

3. 19 + 0 =

4. 5 + 12 =

5. 0 + 20 =

6. 18 - 9 =

7. 6 - 2 =

8. 20 - 13 =

9. 19 - 5 =

10. 16 - 6 =

1. 19

2.18

3.19

4.17

5.20

6.9

7.4

8.7

9.14

10.10