1.
Round 439 to the nearest hundred.
A.
440
B.
430
C.
400
D.
500
Hint
2.
Round 382 to the nearest hundred.
A.
380
B.
300
C.
390
D.
400
Hint
3.
Find the sum. Identify the property.
4 + 7 = ___
7 + 4 = ___
A.
11; Associative Property of Addition
B.
11; Identity Property of Addition
C.
11; Commutative Property of Addition
D.
7; Identity Property of Addition
Hint
4.
Estimate the sum of 44 + 27 using front-end estimation.
A.
40 + 20 = 60
B.
40 + 30 = 70
C.
50 + 20 = 70
D.
50 + 30 = 80
Hint
5.
Rafael listened to 23 songs today. He listened to 49 yesterday. About how many songs did he listen to in the two days?
A.
20 + 60 = 80
B.
30 + 40 = 70
C.
30 + 50 = 80
D.
20 + 50 = 70
Hint
6.
Find the sum.
A.
384
B.
32
C.
42
D.
44
Hint
7.
Find the sum.
68 + 30 = ___
A.
108
B.
90
C.
98
D.
71
Hint
8.
Find the sum.
A.
80¢
B.
89¢
C.
69¢
D.
79¢
Hint
9.
Where do you place the dollar sign and decimal point when adding dollars?
A.
The dollar sign goes in front of the first digit, and the decimal point goes in front of the first digit that is not zero.
B.
The dollar sign goes after the last digit, and the decimal point goes between the dollars and cents.
C.
The dollar sign goes after the last digit, and the decimal point goes in front of the first digit that is not zero.
D.
The dollar sign goes in front of the first digit, and the decimal point goes between the dollars and cents.
Hint
10.
Find the sum.
A.
226
B.
326
C.
216
D.
316
Hint
11.
Why is it smart to check answers for reasonableness?
A.
Many careless mistakes can be caught this way.
B.
Using estimation to check your answers gives exact results.
C.
Checking for reasonableness uses the Identity Property.
D.
Any mistake can be caught by using estimation to check your answers.
Hint
12.
Find the sum.
A.
$36.15
B.
$36.05
C.
$46.15
D.
$37.05
Hint
13.
Find the sum.
$84.98 + $9.02 = ___
A.
$93.90
B.
$84.00
C.
$94.00
D.
$93.00
Hint
14.
Find the sum mentally.
5 + 9 + 5
A.
14
B.
21
C.
15
D.
19
Hint