Don't Forget! Units 2-8

Front

What is rounding?

Back

Rounding is the process of adjusting a number to make it simpler and easier to work with, usually to the nearest specified place value.

Front

Round 75.239 to the nearest hundredths.

Back

75.24

Front

What is place value?

Back

Place value is the value of a digit based on its position in a number. For example, in the number 43.317, the digit 3 in the tenths place has a different value than the digit 3 in the ones place.

Front

What is the value of the digit 3 in the ones place compared to the tenths place?

Back

The value of the digit 3 in the ones place is 10 times the value of the digit 3 in the tenths place.

Front

How do you calculate the total number of items in multiple groups?

Back

Multiply the number of items in one group by the number of groups.

Front

Ciin has 11 boxes with 42 Jolly Ranchers in each box. How many Jolly Ranchers does she have in total?

Back

462 Jolly Ranchers (11 x 42 = 462).

Front

If Ciin gives away 120 Jolly Ranchers, how many does she have left?

Back

342 Jolly Ranchers (462 - 120 = 342).

Front

How do you divide a total amount among several groups?

Back

To divide a total amount among several groups, divide the total by the number of groups.

Front

If Ciin divides 342 Jolly Ranchers among 6 classes, how many does each class receive?

Back

57 Jolly Ranchers (342 ÷ 6 = 57).

Front

What is the formula for the volume of a rectangular prism?

Back

Volume = length × width × height.