Tens + ___ Facts
10 + 8 = ___
18
20 - 10 = ___
10
24 + 5 = ___
(Use base ten drawings to solve)
29
30 - 8 = ___
(Use number bonds to solve- pull out a ten)
/ \
20 10 - 8 = 2
20 + 2 = 22
34 + 9
(Use any strategy to solve)
43
20 + 3 = ___
23
56 - 10 = ___
46
39 - 17 = ___
(Use base ten drawings to solve)
22
50 - 4 = ___
(Use number bonds to solve- pull out a ten)
50 - 4
/ \
40 10 - 4 = 6
40 + 6 = 46
73 - 9 = ___
(Use any strategy to solve: place value, base ten, number bonds, take out a ten, etc.)
64
15 + 40 = ___
55
33 - 20 = ___
13
46 + 15 = ____
(Use base tens drawings to solve)
61
60 - 6 = ___
(Use number bonds to solve- pull out a ten)
60 - 6
/ \
50 10 - 6 = 4
50 + 4 = 54
67 + 17 = ___
(Use any strategy to solve: place value, base ten, number bonds, etc.)
84
60 + 17 = ___
77
88 - 40 = ___
48
77 - 38 = ___
(Use base tens drawings to solve)
39
80 - 3 = ___
(Use number bonds to solve- pull out a ten)
80 - 3
/ \
70 10 - 3 = 7
70 + 7 = 77
88 - 28 = ___
(Use any strategy to solve: place value, base tens, etc.)
60
18 + 90 = ___
108
54 - 50 = ___
4
41 + 49 = ___
(Use base tens drawings to solve)
90
100 - 7 = ___
(Use number bonds to solve- pull out a ten)
100 - 7
/ \
90 10 - 7 = 3
90 + 3 = 93
55 + 24 = ___
(Use any strategy to solve: place value, base ten, etc.)
79