1.
Show that the equality is not changed.
7
a
= 56
7
a
÷ 7 = 56 ÷ 7
A.
In both equations,
a
= 7.
B.
Replace
a
with 7. Both equations are true.
C.
Replace
a
with 8. Both equations are true.
D.
In both equations,
a
= 56.
Hint
2.
Show that the equality is not changed.
k
÷ 4 = 12
k
÷ 4 × 4 = 12 × 4
A.
Replace
k
with 48. Both equations are true.
B.
Replace
k
with 36. Both equations are true.
C.
In both equations,
k
= 12.
D.
In both equations,
k
= 4.
Hint
3.
Solve 4 × 2 × 5 = 4 × ___.
A.
10
B.
20
C.
4
D.
5
Hint
4.
Solve 4 × 9 ÷ 3 = 36 ÷ ___.
A.
12
B.
4
C.
9
D.
3
Hint
5.
Brett has 4 boxes of books. Carlos has 36 books. Brett and Carlos have the same number of books. How many books are in each of Brett’s boxes?
A.
40
B.
9
C.
32
D.
8
Hint