St Mary's CofE Primary School - 'Love the Lord your God with all your heart and with all your soul and with all your mind...Love your neighbour as yourself.' Matthew 22 v37-40 St Mary's CofE Primary School

# Week 1 - WC 08/06/2020

## Subtraction - within 20 This session is all about subtraction. You can use a number square to help you with these problems. Using numbers under 20, can you use your square to subtract from 20? Remember, when you subtract the total will be smaller. Good luck!

Subtraction problems

1)  20  -  4 =

2)  20 -  2 =

3)  20 -  7 =

4) 18  -  5 =

5)  19 - 6 =

6)  17 - 4 =

7)  16 -  5 =

8) 19 - 8 =

9)  18 - 7 =

10 20 - 9 =

Thursday's questions

Using the method above, can you subtract numbers using numbers under 100?  Remember to use your number square to help you with the jumps down.  Good luck!

1) 37 - 5 =

2)  56 - 4 =

3)  29 - 8 =

4)  77 - 6 =

5) 85 - 4 =

6) 99 - 8 =

7)  87 - 4 =

8)  58 -6 =

Tricky questions

The next questions require you to jump down to the next row of numbers.  Be careful!  Remember to go all of the way to the end of the line (to the 10 value) before you start again counting down.

1) 24 - 6 =

2) 35 - 7 =

3) 39 - 9 =

4) 44 - 8 =

5) 52 - 7 =

6) 68 - 9 =

7) 51 - 7 =

8) 76 - 8 =

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