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Estimate Products Using Rounding

Authored by Barbara White

Mathematics

3rd - 4th Grade

CCSS covered

Estimate Products Using Rounding
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11 questions

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1.

MULTIPLE CHOICE QUESTION

1 min • 1 pt

Media Image

What is the FIRST step in estimating products?

Multiply the rounded numbers.

Round off the factors to the highest place value.

Count the number of zero.

Divide the rounded numbers.

Tags

CCSS.4.NBT.B.5

2.

MULTIPLE CHOICE QUESTION

1 min • 1 pt

TRUE or FALSE: When you round off 9 993 to its highest place value, the answer is 9 000.

False. The correct answer is 10 000.

True

False. The correct answer is 9 900.

False. The correct answer is 100 000.

Tags

CCSS.3.NBT.A.1

CCSS.4.NBT.A.3

3.

MULTIPLE CHOICE QUESTION

2 mins • 1 pt

Media Image

Check if the solution and answer below are correct.

The solution and answer are correct.

The solution and answer are incorrect.

The solution is correct, but the answer should be 160 000.

Tags

CCSS.4.NBT.B.5

4.

MULTIPLE CHOICE QUESTION

1 min • 1 pt

What is the estimated product for the expression 87 x 403?

36 000

35 601

32 000

35 701

Tags

CCSS.4.NBT.B.5

5.

MULTIPLE CHOICE QUESTION

1 min • 1 pt

What is the estimated product for the expression 302 X 20?

804

7 000

600

6 000

Tags

CCSS.4.NBT.B.5

6.

MULTIPLE CHOICE QUESTION

2 mins • 1 pt

Which is the best estimate of the product of 793 and 48?

800 x 40 = 32 000

700 x 40 = 28 000

800 x 50 = 40 000

700 x 50 = 35 000

Tags

CCSS.4.NBT.B.5

7.

MULTIPLE CHOICE QUESTION

2 mins • 1 pt

During a recent book sale week, 1 897 titles of books were sold each day. About how many books were sold in 10 days?

About 3 000 books.

About 1 000 books.

About 10 000 books.

About 20 000 books.

Tags

CCSS.4.NBT.B.5

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