Rounding
Adding
Subtracting
Estimating
Word Problems
100

Round 6.14 to the nearest tenth.

6.1

100

What is the sum of the addition equation 0.6 + 0.2 = ________?

0.8

100

Solve 0.9 − 0.5 = ________.

0.4

100

What is a reasonable estimate for the addition equation 1.4 + 0.2 = ____________ when you round each addend to the nearest whole number?

1

100

Natalie is rounding some numbers to the nearest tenth. Select the number that will have a 7 in the tenths place after rounding. 

1. 4.07

2. 5.64 

3. 6.72

4. 7.78

6.72

200

Round 3.456 to the nearest hundredth.

3.46

200

What is the sum of the addition equation 0.4 + 0.2 = ________?

0.6

200

Solve 0.7 − 0.2 = ________.

0.5

200

What is a reasonable estimate for the addition equation 1.8 + 0.3 = __________ when you round each addend to the nearest whole number?

2

200

Jared is rounding some numbers to the nearest tenth. Select the number that will have a 3 in the tenths place after rounding.  

1. 3.03

2. 4.28 

3. 5.39

4. 6.43

4.28

300

Round 5.282 to the nearest hundredth.

5.28

300

What is the sum of the addition equation 0.3 + 0.1 = ________?

0.4

300

Solve 0.8 − 0.3 = ________.

0.5

300

What is a reasonable estimate for the addition equation 2.2 + 0.8 = ________ when you round each addend to the nearest whole number?

3

300

An unknown number is not equal to 3.75 but rounds to 3.75 when rounded to the nearest hundredth. Which of the following could be the unknown number? 

1. 3.675

2. 3.748

3. 3.756

3.748

400

Round 7.633 to the nearest hundredth.

7.63

400

Solve 1.6 + 3.1 + 4.8 = ________.

9.5

400

Solve 0.83 − 0.41 − 0.25 = ________.

0.17

400

Estimate the sum of 2.67 + 1.21 = ________ by rounding each addend to the nearest tenth

3.9

400

An unknown number is not equal to 6.45 but rounds to 6.45 when rounded to the nearest hundredth. Which of the following could be the unknown number? 

1. 6.454

2. 6.443

3. 6.045

6.454

500

Round 0.176 to the nearest hundredth.

0.18

500

Solve 3.3 + 1.4 + 2.8 = ________.

7.5
500

Solve 0.76 − 0.32 − 0.15 = ________.

0.29

500

Estimate the sum of 3.44 + 1.12 = ________ by rounding each addend to the nearest tenth.

4.5

500

Two bags of cereal are packed in a box. The total weight of the box and the two bags of cereal is 58.00 ounces. One bag of cereal weighs 20.05 ounces, the other weighs 18.65 ounces. How much does the box weigh? (2 points)

19.3