1.
Which expression shows how to use rounding to estimate (3.75)(6.8)?
A.
(3)(7)
B.
(3)(6)
C.
(4)(6)
D.
(4)(7)
Hint
2.
Rewrite the expression 14 ÷
using compatible numbers.
A.
15 ÷ 2
B.
14 ÷ 3
C.
14 ÷ 2
D.
15 ÷ 3
Hint
3.
Estimate the product 6.87
3.14
A.
21
B.
28
C.
24
D.
18
Hint
4.
Estimate the product
×
using rounding and compatible numbers.
A.
30
B.
15
C.
180
D.
20
Hint
5.
Find the product
using rounding and compatible numbes.
A.
4
B.
1
C.
2
D.
3
Hint