Teacher Notes

NNS Y3 counting in 10s
KS2 Ma2 2a, 2b
Extend this activity by taking children across 1000; reverse these sequences; use negative integers.

Counting in 10s
Fill in the missing numbers on these number line.

10, 20, 30 , , 60, 70.

10, 20, 30, 40, 50, 60, , ,90.

0, 10, 20, , , 50, ,60, 70, 80.

0, 10, , 30, 40, 50, , 70, 80, 90, 100

70, 80, 90, , 110, 120.

90, 100, , , 130, 140.

, , 120, 130, 140, 150, , 170, 180.

160, 170, 180, 190,

Look at these numbers.
Can you make a list of those that you wouldn't use if you were counting in 10s?

Now show your teacher or parent!
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