Tens Mat
Base 10 Blocks
100s Chart
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Random
100
30 + 40
70
100
3 + 2
5
100
7 + 10
17
100
9 + 1
10
100
Which of the following is equal to 80? a. 8 tens b. 7 tens and 10 ones c. 8 d. 80 tens
a. 8 tens b. 7 tens and 10 ones
200
25 + 3
28
200
8 + 7
15
200
11 + 30
41
200
12 + 30
42
200
Sum means
addition
300
45 + 14
59
300
20+30
50
300
29 + 3
32
300
48 + 11
59
300
Which of the following is equal to 27? a. 7 tens and 2 ones b. 2 tens and 7 ones c. 1 ten and 17 ones d. 27 ones
b. 2 tens and 7 ones c. 1 ten and 17 ones d. 27 ones
400
76 + 27
93
400
12 + 29
41
400
39 - 7
32
400
56 + 15
71
400
Write the fact family for 32 + 40 = 72
40 + 32 = 72 72 - 32 = 40 72 - 40 = 32
500
68 + 39
107
500
32 - 11
21
500
67 + 14
81
500
78 - 29
49
500
Sandra had 31 kittens. She sold 14. How many kittens were left?
17
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