Understanding Decimals and Powers of 10

Understanding Decimals and Powers of 10

Assessment

Interactive Video

Mathematics

4th - 5th Grade

Hard

Created by

Thomas White

FREE Resource

Mr. Wallace introduces lesson 3.1 from Go Math, focusing on problems involving powers of 10 and decimals. He explains problem 3, which requires understanding multiplication by 10, and problem 4, which involves division by 10. The lesson also covers table problems that require identifying numbers that are 10 times more or 1/10th of a given decimal. Mr. Wallace emphasizes the importance of creating equations to solve these problems and offers to help students with any questions via Classroom Dojo.

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20 questions

Show all answers

1.

MULTIPLE CHOICE QUESTION

30 sec • 1 pt

What is the main focus of lesson 3.1 in Go Math?

Solving algebraic equations

Understanding fractions

Learning about geometry

Exploring powers of 10

2.

MULTIPLE CHOICE QUESTION

30 sec • 1 pt

In Problem 3, what is the unknown number if 410 is 10 times this number?

40

4.1

41

0.41

3.

MULTIPLE CHOICE QUESTION

30 sec • 1 pt

How do you solve for an unknown number when given that 410 is 10 times this number?

Add 10 to 410

Divide 410 by 10

Subtract 10 from 410

Multiply 410 by 10

4.

MULTIPLE CHOICE QUESTION

30 sec • 1 pt

What is the beauty of powers of 10 when multiplying or dividing?

You can add numbers

You can move the decimal point

You can add zeros

You can subtract numbers

5.

MULTIPLE CHOICE QUESTION

30 sec • 1 pt

What is the first step in solving a problem involving powers of 10?

Use a calculator

Guess the answer

Create an equation

Ask for help

6.

MULTIPLE CHOICE QUESTION

30 sec • 1 pt

What happens to a number when you multiply it by 10?

It becomes negative

It becomes smaller

It becomes larger

It stays the same

7.

MULTIPLE CHOICE QUESTION

30 sec • 1 pt

What is the unknown number if 410 is 10 times this number?

0.41

40

4.1

41

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