1. Subtract - - - - - - - - - - - - - - - - - - - - - - - - - - -

2. Subtract Mentally. Write the difference.
Subtract 4 from: Subtract 6 from:
_____________________________ _____________________________
Subtract 3 from: Subtract 2 from:
_____________________________ ______________________________
Subtract 20 from: Subtract 10 from:
_____________________________ _______________________________
Subtract 30 from: Subtract 5 from:

3. Circle the ways to make each number.
30 – 5
30 + 5
10 – 1
11 + 2
6 + 13
23 – 5
23 – 4 25 11 18
6 + 3
11 – 11
20 – 10
15 – 8
42 – 14
28 – 0
20 – 5
10 + 6
25 – 10
20 + 5 28 10 15
Circle the number needed to make the top number. 31 21 15
13 + ? 8 or 9
28 - ? 7 or 8
27 - ? 6 or 7
6 + ? 9 or 8
19 - ? 5 or 4
22 - ? 8 or 7
10 + ? 21 or 11
41 - ? 10 or 11
35 - ? 5 or 4 23 12 20
5 + ? 7 or 6
22 - ? 10 or 11
20 - ? 9 or 8
15 + ? 4 or 5
12 + ? 7 or 8
22 - ? 2 or 3
12 + ? 11 or 10
27 - ? 4 or 5
29 - ? 6 or 7

4. Regroup 1 ten as 10 ones. Write the missing numbers.
Regroup then subtract.
Example
8 tens 5 ones =
______ tens ______ ones
4 tens 6 ones =
7 tens 2 ones =
1 ten 4 ones =
______tens ______ ones
61 – 47 =
42 – 8 =
Tens Ones
6 1
4 7
Tens Ones
4 2 8 12 3 4
57 – 28 =
14 – 9 =
Tens Ones
5 7
2 8
Tens Ones
1 4 9

5. Line up the tens and ones. Regroup then subtract.
83 – 27 =
26 – 18 =
22 – 17 =
Tens Ones
Tens Ones
Tens Ones
23 – 9 =
28 – 12 =
54 – 27 =
Tens Ones
Tens Ones
Tens Ones

6. Estimate the difference. Round the numbers to the nearest ten.
7 6
- 5 2
about
2 9
- 2 4
about
4 3
- 3 7
about
5 8
- 3 7
about
1 7
- 9
about
4 1
- 2 6
about
9 3
- 7 4
about
7 2
- 3 3
about
5 0
- 3 1
about

7. Subtract. Add to check
6 3
- 4 5 +
5 5
- 2 8 +
7 8
- 4 2 +
2 3
- 1 6 +
1 3
- 7 +
3 6
- 9 +
3 5
- 2 2 +
9 7
- 3 9 +
4 9
- 2 8 +

8. Add or subtract from left to right.
32 – = = =
47 – 2 – 31 =
– 15 =
50 – =
61 – 37 – 17 = =
87 – =

9. Problem Solving.
Jack bakes 14 red cookies. Jill bakes 9 green cookies. If Mike eats one dozen cookies how many cookies are left?
Bob bought 5 boxes of candy. If there are 4 pieces of candy in each box. How many pieces of candy does Bob have? Make a table.
Tom earned 3 quarters, 2 nickels, 1 dime, and 4 pennies for his allowance. He buys a coke for 65 cents. How much money does Tom have left?
There are 6 eggs in each basket. Jason needs 24 eggs to make dinner. How many baskets does he need. Make a table.
Boxes
Pieces of Candy
Candy
baskets
Baskets
Eggs