Number lines to 100 Let’s Learn Together Some number lines count in ones.
20
21 22 23 24
26 27 28 29 30
Some number lines count in tens.
0
10 20 30 40
60 70 80 90 100
How many tens and ones make each hidden number? Count up and down on each number line.
Let’s Try It
30
40
60
70
What is the same and what is different about each number line? What numbers are the arrows pointing to?
14
SK_G2_SB_01_002-019.indd 14
01/12/2021 13:43
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