5th Grade Decimals

Vocabulary

100

What word means: "has the same value as"

Equivalent

200

1/1000 or 0.001

Thousandth

300

This word means, "Show, tell, explain"

Express

400

The number that is being divided in a division problem

Dividend

500

The number that the dividend is being divided by in a division problem

Divisor

Convert a Fraction to a Decimal

100

14/1000

0.014

200

287/1000

0.287

300

1001/1000

1.001

400

1/200

0.005

500

1  9/40

1.225

Rounding Decimals

100

Round 1.038 to the nearest hundredth

1.04

200

Round 5.099 to the nearest hundredth

5.10

300

When rounding to the nearest hundredth, the least possible number that can be rounded to 2.16 is:

2.155

400

When rounding to the nearest hundredth, the greatest possible number that can be rounded to 2.16 is:

2.164

500

List all of the numbers that are 5.17 when rounded to the nearest hundredth:

5.165, 5.166, 5.167, 5.168, 5.169, 5.171, 5.172, 5.173, and 5.174

Convert a Decimal to a Fraction

100

3.005

3  1/200

200

0.125

1/8

300

5.258

5  129/500

400

7.08

7  2/25

500

0.136

17/125

Ordering Decimals

100

Order the decimals from least to greatest:

6.018

6.15

3.978

3.978

6.018

6.15

200

Order the decimals from least to greatest:

3.06, 3.6, 3.066, 3.006

3.006, 3.06, 3.066, 3.6

300

Order the decimals from greatest to least:

3.472, 2.472, 3.274, 2.427

3.472, 3.274, 2.472, 2.427

400

Compare.  Use greater than, less than, or equal to signs.

49.250   49.25

49.250 = 49.25

500

You are creating a number line to show how 3.156 could be rounded to the nearest hundredth.  On your number line, what number could the decimal round down to?  What number could the decimal round up to?  Show your number line and 3.156 rounded to the nearest hundredth.  

Round down: 3.15

Round up: 3.16

Rounded to the nearest hundredth: 3.16