1.
Round to the indicated place value.
209; hundreds
A.
300
B.
200
C.
210
D.
100
Hint
2.
Which of the following number lines shows the graph of 2.45?
A.
B.
C.
D.
Hint
3.
Round 5.23 to the nearest whole number.
A.
5
B.
5.2
C.
6
D.
10
Hint
4.
Round 52.91 to the nearest whole number. Use number lines and models.
A.
52.9
B.
52
C.
53.1
D.
53
Hint
5.
Estimate. Round to the nearest whole number. Use models if needed.
19.82 − 2.3
A.
18 − 3 = 15
B.
19 − 3 = 16
C.
20 − 2 = 18
D.
20 − 3 = 17
Hint
6.
Estimate. Round to the nearest whole number. Use models if needed.
24.5 + 2.9
A.
25 + 2 = 27
B.
25 + 3 = 28
C.
24 + 2 = 26
D.
30 + 3 = 33
Hint
7.
Add. Use models or pictures if needed.
$24.95 + $7.05
A.
$31.95
B.
$32.95
C.
$32.00
D.
$31.00
Hint
8.
Ginny went to the movies. The cost of a ticket was $7.50 and the cost of popcorn was $4.95. Suppose Ginny’s friend came along and bought a soda for $2.90, but no popcorn. What was their total cost?
A.
$22.85
B.
$16.90
C.
$17.90
D.
$19.95
Hint
9.
Subtract. Use the models.
2.6 − 1.34
A.
0.34
B.
1.26
C.
1.34
D.
3.94
Hint
10.
Subtract. Use models or pictures if needed.
A.
0.49
B.
0.41
C.
0.42
D.
1.09
Hint