Rounding
Addition without Regrouping
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Arrays
Addition with Regrouping
100
Round 65 to the nearest 10s
70
100
42 + 54 =
96
100
What's the next number in the pattern: 3, 5, 7, 9, __
11
100
What is the addition sentence by row? 
4 + 4 + 4
100
59 + 18 =
77
200
Round 24 to the nearest 10s
20
200
17 + 32 =
49
200
What's the next number in the pattern: 22, 24, 26, ___.
28
200
What is the addition by columns?
3 + 3 + 3 + 3
200
88 + 8 =
96
300
Round 89 to the nearest 10s
90
300
36 + 42 =
78
300
What's the next number in the pattern: 53, 55, 57, __
59
300
What is the addition sentence by columns?
3 + 3 + 3 + 3 + 3
300
62 + 28 =
90
400
Round 44 to the nearest 10s.
40
400
51 + 31 =
82
400
112, 114, 116, 118, ___
120
400
What multiplication sentence matches the array?
3 x 2 or 2 x 3
400
98 + 24 =
122
500
Round 76 to the nearest 10s.
80
500
66 + 23 =
89
500
143, 153, 163, ___
173
500
What multiplication matches the array? 
4 x 4
500
79 + 49 =
128