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Estimating Products in Mathematics

Estimating Products in Mathematics

Assessment

Interactive Video

•

Mathematics

•

6th - 10th Grade

•

Practice Problem

•

Hard

•
CCSS
4.NBT.B.5, 3.OA.D.9, 4.NBT.A.2

Standards-aligned

Created by

Jackson Turner

FREE Resource

Standards-aligned

CCSS.4.NBT.B.5
,
CCSS.3.OA.D.9
,
CCSS.4.NBT.A.2
The video tutorial explains how to estimate the product of 8,291 and 27 by rounding each number to a single nonzero digit. 8,291 is rounded down to 8,000, and 27 is rounded up to 30. The rounded numbers are then multiplied by first counting the zeros and then multiplying the nonzero digits. The final estimated product is 240,000.

Read more

7 questions

Show all answers

1.

MULTIPLE CHOICE QUESTION

30 sec • 1 pt

What is the first step in estimating the product of 8,291 and 27?

Multiply the numbers directly.

Round each number to contain only one non-zero digit.

Subtract the smaller number from the larger number.

Add the numbers first.

Tags

CCSS.4.NBT.B.5

2.

MULTIPLE CHOICE QUESTION

30 sec • 1 pt

To what value is 8,291 rounded when estimating the product?

8,300

8,200

9,000

8,000

Tags

CCSS.4.NBT.B.5

3.

MULTIPLE CHOICE QUESTION

30 sec • 1 pt

What is 27 rounded to when estimating the product?

25

30

20

35

Tags

CCSS.4.NBT.A.2

4.

MULTIPLE CHOICE QUESTION

30 sec • 1 pt

How many zeros are at the end of the number 8,000?

Three

Two

One

Four

Tags

CCSS.3.OA.D.9

5.

MULTIPLE CHOICE QUESTION

30 sec • 1 pt

How many zeros are at the end of the number 30?

Three

Two

Four

One

Tags

CCSS.3.OA.D.9

6.

MULTIPLE CHOICE QUESTION

30 sec • 1 pt

What is the product of the non-zero digits 8 and 3?

21

24

27

30

Tags

CCSS.4.NBT.B.5

7.

MULTIPLE CHOICE QUESTION

30 sec • 1 pt

What is the estimated product of 8,291 and 27?

250,000

230,000

260,000

240,000

Tags

CCSS.4.NBT.B.5

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