Name: ______________
Date: ____________ (LA)
WALT: Subtract 9 and 11 from 2-digit numbers
Use the number line or your number square to subtract these sums.
1) Subtract 10
2) Subtract 9 (10-1)
3) Subtract 11 (10+1)
(-9)
(-10)
(-11)
11 - 9 =
11 - 10=
11 - 11 =
15 - 9 =
15 - 10 =
15 - 11 =
12 - 9 =
12 - 10 =
12 - 11 =
18 - 9 =
18 - 10 =
18 - 11 =
13 - 9 =
13 - 10 =
13 - 11 =
23 - 9 =
23 - 10 =
23 - 11 =
26 - 9 =
26 - 10 =
26 - 11 =
21 - 9 =
21 - 10 =
21 - 11 =
25 - 9 =
25- 10 =
25 - 11 =
30 – 9 =
30 – 10 =
30 – 11 =