?
Round to the nearest tens:
26 and 31
30 and 30
The number that is multiplied by another number in a given expression is ...
factor
2.5 hours x 4 =
10 hours
7 x 3 =
21
10 x 2 =
20
30 x 30 =
900
The answer in a multiplication problem is ...
product
27 liters x 59 =
1,593 liters
87 x 37 =
20 x 5 =
100
Round to the nearest hundreds:
132 and 471
100 and 500
A number that is close to the exact number is ...
estimate
5 x 16 bags =
80 bags
32 x 20 =
640
10 x 20 =
200
44 x 68 =
2,992
Numbers that are easy to add, subtract, multiply, and divide is ...
compatible numbers
80 x 32 ounces =
2,560 ounces
50 x 40 =
2,000
100 x 1 =
100