Topic 2 Review

What is 41.539 rounded to the nearest hundredth?

• 40

• 41.5

• 41.53

• 41.54

Round 623.153 to the nearest tenths place.

• 623.0

• 623.1

• 623.2

• 624.0

Which number line shows 6.287 between the two nearest hundredths?

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Rachel bought a dictionary that contains 346,048 words. What is this number rounded to the nearest hundred thousand?

• 30,000

• 300,000

• 600,000

• 3,000,000

Thea used estimation to find the difference of two numbers. Which difference is about 20?

• 41.2 – 29.8

• 60.7 – 38.9

• 52.8 – 52.6

• 71.1 – 42.5

John has $10 to spend on school supplies. The table shows the items in John’s shopping cart. He wants to estimate the total cost. Which estimate is best?

• $6

• $7

• $8

• $9

Add. Use the grids to help.

1.35 + 0.29

• 1.29

• 1.64

• 1.66

• 2.64

There were 98 students from the fourth, fifth, and sixth grades on a field trip. There were 26 students from the fourth grade and 33 students from the fifth grade. How many students were there from the sixth grade?

Which picture represents the problem?

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What is the sum of 5.785 and 31.08?

• 36.865

• 37.505

• 36.91

• 88.91

Which difference is 5.516?

• 15.25 – 5.516

• 40 – 35.484

• 8.349 – 2.833

• 5.55 – 0.341