TÄISKÜMNEST LAHUTAMINE 2 koost. Kerti Ruttu Salme PK 4.kl

Subtraction.

1. Calculate.

10 - 1 = ………….
10 - 3 = ………….
10 - 7 = ………….
10 - 4 = …………. .
20 - 2 = ……………
20 - 4 = …………..
20 - 8 = …………..
20 - 5 = ………….
30 - 0 = ……………
30 - 2 = …………..
30 - 6 = …………..
30 - 9 = …………..

2. Jack is running 10 metres in one second .Mart is running 20 metres at the same time.
How many metres is running Mart faster?

………………………………………………………………………………………

3. Calculate.

50 - 1 = …………….
70 - 9 = …………….
80 - 4 = …………….
80 - 7 = …………….
40 - 8 = …………….
70 - 3 = …………….
90 - 6 = ……………
40 - 6 = ……………
60 - 2 = ……………..
60 - 8 = ……………..
90 - 5 = ……………..
50 - 6 = ……………..

4. Calculate.

+ 20 - 60 - 8 - 30

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