Eureka Math Module 5.1

Place Value

100

Write 100 x 100 using exponents.

10⁴

200

10.16 x 10⁴

21,600

300

Arrange the numbers in decreasing order.

8.508   8.58   7.5   7.058

8.508   8.58   7.5   7.058

400

A student used his place value chart to show a number. After the teacher instructed him to divide his

number by 100, the chart showed 28.003. Draw a picture of what the place value chart looked like.

The digits moved to the right twice.

500

Ted says that 3 tenths multiplied by 100 equal 300 thousandths. Is he correct? Use a place value chart to explain your answer.

No. 300 tenths is the same as 30.

Rounding

100

Round 4.3 to the nearest tenth.

4.0

200

Round 225.286 to the nearest hundredth.

225.29

300

Round 43.586 to the nearest whole number.

44

400

Round 243.875 to the nearest hundred.

200

500

Jules reads that one pint is equivalent to 0.473 liters. He asks his teacher how many liters there are in a pint. 

His teacher responds that there are about 0.47 liters in a pint. He asks his parents, and they say there are about 0.5 liters in a pint. 

Jules says they are both correct. How can that be true? Explain your answer.

Their teacher rounded to the hundredths place. Their parents rounded to the tenths place.

Adding and Subtracting

100

3 tenths + 4 tenths = ____________ tenths

7 tenths

200

1.8 – 0.9 = ________

0.9

300

75.604 + 22.296 = ____________

97.900

400

8.246 – 5 hundredths

8.196

500

For his parents’ anniversary, Danny spends $5.87 on a photo. He also buys 3 balloons for $2.49 each and a

box of strawberries for $4.50. How much money does he spend all together?

$17.84

Multiplying and Dividing

100

9 times as much as 7 tenths

6.3

200

YiTing weighs 8.3 kg. Her older brother is 4 times as heavy as her. How much does her older brother’s weight in kg?

33.2 kgs

300

21 ÷ 7 = ?

so

2.1 ÷ 7 = ?

3

so

0.3

400

0.7 ÷ 4 = _______

0.175

500

A rope 8.7 m long is cut into 5 equal pieces. How long is each piece?

1.74 m

Random

100

Write 10⁴ using at least 2 different multiplication sentences

10x10x10x10 or 100x100

200

13.989 to the nearest tenth

14

300

Ribbon is sold at 3 yards for $6.33. Jackie bought 24 yards of ribbon for a project. How much did she pay?

$50.64

400

A table and 8 chairs weigh 235.68 pounds together. If the table weighs 157.84 lbs., what is the weight of one chair in pounds?

9.73 lbs

500

What is Miss Densing's favorite quote?

Those who do not learn from history are doomed to repeat it.