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037_G1U29_G2U5˙—» ¿º 2011.3.22 5:9 PM ˘ ` 120 PDF_In 2540DPI 150LPI T
Activity 1 Make Tens
1 Make tens by subtracting ones.
35 - 5 = ? Subtract the ones. Subtract the tens.
If you subtract tens ones tens ones
5 ones from 35 35
3 tens and -5 -5
5 ones, only
3 tens are left. 0
a 48 - 8 = b 27 - 7 =
c 96 - 6 = d 55 - 5 =
e f 4 g
4
61 8 25
-1 - -5
120
Activity 1 Make Tens
1 Make tens by subtracting ones.
35 - 5 = ? Subtract the ones. Subtract the tens.
If you subtract tens ones tens ones
5 ones from 35 35
3 tens and -5 -5
5 ones, only
3 tens are left. 0
a 48 - 8 = b 27 - 7 =
c 96 - 6 = d 55 - 5 =
e f 4 g
4
61 8 25
-1 - -5
120
