Understanding Rational Numbers and Decimals

Understanding Rational Numbers and Decimals

Assessment

Interactive Video

Mathematics

6th - 7th Grade

Hard

Created by

Thomas White

FREE Resource

The video tutorial covers solving word problems involving the addition and subtraction of rational numbers, specifically focusing on converting between decimals and fractions. It uses a practical example of calculating the remaining weight of nails after a project. The tutorial emphasizes the importance of choosing the right format for calculations and clearly labeling answers.

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23 questions

Show all answers

1.

MULTIPLE CHOICE QUESTION

30 sec • 1 pt

What is a rational number?

A number that can be expressed as a fraction

A number that is always an integer

A number that cannot be expressed as a fraction

A number that is always a decimal

2.

MULTIPLE CHOICE QUESTION

30 sec • 1 pt

How many pounds of nails did Garry initially have?

0.75 pounds

3 pounds

1.25 pounds

2 pounds

3.

MULTIPLE CHOICE QUESTION

30 sec • 1 pt

What is the first step in solving a word problem?

Use a calculator

Convert all numbers to fractions

Write down the problem

Guess the answer

4.

MULTIPLE CHOICE QUESTION

30 sec • 1 pt

What is the first step in solving Garry's nail problem?

Add the nails he bought and already had

Subtract the nails used

Simplify the fractions

Convert all numbers to decimals

5.

MULTIPLE CHOICE QUESTION

30 sec • 1 pt

What is the sum of 2 and 0.75?

2.5

3.25

2.75

3

6.

MULTIPLE CHOICE QUESTION

30 sec • 1 pt

How do you convert 0.75 to a fraction?

1/4

1/2

3/4

2/3

7.

MULTIPLE CHOICE QUESTION

30 sec • 1 pt

What is the purpose of finding common denominators?

To convert fractions to decimals

To make addition and subtraction easier

To multiply fractions

To simplify fractions

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