Vocabulary
Identify the addition property used to rewrite the problem below.
36+48+52=48+52+36
Commutative Property
4.34+0.02
4.36
11.68-3.47
8.21
On Monday, Bonus Book Company earned $303.28. On Tuesday, the company earned $295.73. About how much did Bonus Book Company earn in all?
$600
Estimate:
4.9+2.1
5+2=7
Identify the addition property used to rewrite the problem below.
(74+63)+35=74+(63+35)
Associative Property
8.5+0.84
9.34
2.47-0.77
1.70
Company A has a budget of $23.87 million and Company B has a budget of $14.22 million. What is the difference between the two budgets if each is rounded to the nearest tenth of a million?
$9.7 million
Estimate:
78.69-23.35
79-23= 56
Identify the addition property used to rewrite the problem below.
974.63+0=974.63
Identity Property
57.7+9.32
67.02
73.46-4.75
68.71
The coach recorded how fast his runner ran 1 mile. Luann ran a mile in 9.26 minutes, Anne ran a mile in 11.64 minutes, and Rubin ran a mile in 10.36 minutes. How much faster did Luann run than Rubin?
1.1 minutes
What is the best estimate of: 5.82+14.03
19
20
21
22
20
Subtracting results in finding the _______ between two numbers.
Difference
92.39+64.78
157.17
49.2-18.7
75.5
Last year, Dustin's batting average was 0.32. Scott's batting average was 0.27. What was the difference in their averages?
0.05
What is the best estimate of: 8.5-7.1
1
2
3
4
2
What is a definition for inverse operations?
Operations that undo each other.
Ex. addition and subtraction
73.96+6.02
79.98
8-6.32
1.68
Carter bought a pair of jeans for $49.99 and a shirt for $23.59. He received $6.42 in change. How much money did Carter have originally?
$80
Ama's dinner costs $17.38. Ama pays with a $20 bill. About how much change does he receive? Show your work.
$20-$17=$3