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038_G1U30_G2U6˙—» ¿º 2011.3.22 5:14 PM ˘ ` 130 PDF_In 2540DPI 150LPI T
Activity 1 Subtract Tens
1 Subtract the tens from 2-digit numbers.
26 - 10 = ? Subtract the ones. Subtract the tens.
If you subtract tens ones tens ones
1 ten from 26 26
2 tens and -1 0 -1 0
6 ones, 6
you have 16.
a 24 - 10 = 4 b 17 - 10 =
c 53 - 30 = d 34 - 20 =
e 92 f 49 g 78
-7 0 -1 0 -6 0
130
Activity 1 Subtract Tens
1 Subtract the tens from 2-digit numbers.
26 - 10 = ? Subtract the ones. Subtract the tens.
If you subtract tens ones tens ones
1 ten from 26 26
2 tens and -1 0 -1 0
6 ones, 6
you have 16.
a 24 - 10 = 4 b 17 - 10 =
c 53 - 30 = d 34 - 20 =
e 92 f 49 g 78
-7 0 -1 0 -6 0
130
