Writing numbers in words
Estimating sums and differences
Compatible numbers
Properties of addition and multiplication
Order of Operations
100
456,000
What is four hundred fifty-six thousand
100
663-295 (nearest hundred)
What is 400
100
45/4
What is 44/4 = 11
100
Name the property 34 x 5 = 5 x 34
What is commutative property
100
16 + 5 x 4
What is 36
200
18,016
What is eighteen thousand sixteen
200
42 + 86+ 51 +38
What is 220
200
35/8
What is 32/8 = 4
200
Name the property 13 x 1 = 13
What is identity property
200
14 - (7 + 5) / 2
What is 8
300
104,009
What is one hundred four thousand nine
300
47 + 228 + 23
What is 300 or 270
300
3 x 4,132
What is 3 x 4,000 = 12,000
300
Name the property 5 + (6 + 9) = (5 + 6) + 9
What is associative property
300
(13 + 26) - (7 x 4)
What is 11
400
59 + 26 - 23
What is 70
400
21 x 306
What is 20 x 300 = 6,000
400
Use the commutative property to simplify the problem: 34 + 37 + 6
What is 34 + 6 + 37 = 77
400
13 x 3 + 45 / 9
What is 44
500
12,006,082
What is twelve million, six thousand, eighty-two
500
257 - 104 - 46 - 21
What is 90
500
7,982 / 41
What is 8,000 / 40 = 200
500
use the associative property to simplify the problem 4 x (25 x 7)
What is (4 x 25) x 7 = 700
500
12 + (15 - 3) /6
What is 14
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