Comparing Decimals
Adding and Subtracting
Multiply/Divide Decimals
Writing and expanded form
Everything Decimals
100

True or false? Why?

7.06 = 7.006

False

100

2.26 + 1.87 =

4.13

100

Andrew has 3 bags of candy. Each bag weighs 0.09 pounds. How many total pounds of candy does he have?

.27 pounds of candy

100

Write 2/10 as a decimal. 

0.2

100

You have a balance and 0.1-ounce, 0.01-ounce, and 0.001-ounce weights.

A gold nugget weighs 0.2 ounce. What is one set of weights you can use to balance the nugget? How many weights would you need?

You could use 2, 0.1-ounce weights, 20, 0.01-ounce weights or 200, 0.001-ounce weights

200

True or false? Why? 

7.06 = 7.060

True

200

7.206 - 4.564 =

2.642

200

True or false: 8 x 0.9 = 72

False, it equals 7.2

200

Write 0.15 as a fraction. 

15/100

200

Gold nugget 'A' weighs 0.9 ounce. Gold nugget 'B' weighs 0.09 ounce. Nugget 'A' weighs ------- as much as Nugget 'B'.

Nugget 'A' weighs 10 times as much as Nugget 'B'.

300

True or false? Why?

7.06 = 7.600

False

300

Miss Wolf and Mr. Miller try to find the value of 622.35 − 71.4. Who do you agree with?

Mr. Miller says "My answer is 615.21. This makes sense because 615.21 is less than 622.35."

Miss Wolf says "My answer is 550.95. This makes sense because 620-70=550. So my answer should be right around 550."

Miss Wolf, Mr. Miller did not line up his place values correctly. 

300

8 x 0.06 =

0.48

300

Write as a decimal: 

(4 x 100) + (5 × 0.1) + (6 × 0.01) + (9 × 0.001)

400.569

300

Round to the nearest tenth: 6.19

6.2 or 6.20

400

Aiden threw a disc 5.1 meters.

Levi threw the disc farther than Aiden but less than 6 meters. How far might Levi have thrown the disc?

5.11 m, 5.12 m, 5.13 m, 5.14 m...

400

Which whole number is 3.71 + 1.59 closest to?

5 (5.3 is the correct answer but "4 or less let it rest")

400

.25/4

0.0625

400

Write in expanded form: 5,678.095

(5 x 1,000) + (6 x 100) + (7 x 10) + (8 x 1) + (9 x 0.01) + (5 x 0.001)

400

Round to the nearest hundredth: 111.812

111.81 or 111.810

500

Julissa threw a disc 5.01 meters. 

Poppy threw the disc a shorter distance than Julissa but more than 5 meters.

How far might Poppy have thrown the disc?

5.001, 5.002, 5.003, 5.004, 5.005 meters...

500

105.25-98.50=

6.75

500

3.5/5

0.702

500

Write in expanded form: 25,901.306

(2 x 10,000) + (5 x 1,000) + (9 x 100) + (1x1) + (3 x 0.1) + (6 x 0.001)

500

Here are the race times for 3 athletes. 

Athlete 1- 45.532 seconds

Athlete 2- 45.951 seconds

Athlete 3- 45.002 seconds

How would the results of the race change if times were recorded to the nearest second (whole number)?

Athletes 1 and 2 would tie for last place and athlete 3 would win.

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