8.1 Rational Numbers

Presentation

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Mathematics

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8th Grade

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Practice Problem

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Hard

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CCSS

8.NS.A.1, 6.NS.C.7A, 4.NF.C.6

Standards-aligned

Ashley Roberson

Used 48+ times

FREE Resource

7 Slides • 9 Questions

8.1 Rational Numbers

by Ashley Morris

Rational Numbers

Rational Numbers can be terminating or repeating decimals.

Rational Numbers can be fractions, where the denominator is not 0.

Integers

Integers cannot be fractions

Can be positive, negative, or zero.

Whole Numbers

Cannot be fractions

Can be positive or zero.

Natural Numbers

Cannot be fractions.

Can be positive.

Converting Decimals to Fractions

Use place value to convert from decimal to fraction form.

Converting Fractions to Decimals

Use place value to convert from fraction to decimal form and simplify.

When a number is divided by 9, 99 or 999 it is a repeating decimal that repeats the numerator.

Multiple Choice

Which expression does NOT name an integer?

-15

6/14

12/6

Multiple Choice

Which expression represents an irrational number?

$\overline{ }0.\overline{18}$

$\sqrt[]{75}$

6/14

Multiple Choice

Which number is NOT a whole number?

$8$

18/3

-10

Multiple Choice

WHICH OF THE FOLLOWING IS A FALSE STATEMENT?

ALL REAL NUMBERS ARE RATIONAL NUMBERS.

-EVERY INTEGER IS A RATIONAL NUMBER.

ALL NATURAL NUMBERS ARE INTEGERS

EVERY WHOLE NUMBER IS A REAL NUMBER.

Multiple Choice

WHICH OF THE FOLLOWING IS A TRUE STATEMENT?

-9 IS A WHOLE NUMBER

$\sqrt[]{25}$ IS A RATIONAL NUMBER.

0 IS A NATURAL NUMBER.

2/3 IS A RATIONAL NUMBER.

Fill in the Blanks

GIVE AN EXAMPLE OF A WHOLE NUMBER THAT IS NOT A NATURAL NUMBER.

Type answer...

Fill in the Blanks

Give an example of a real number that is not rational.

Type answer...

Fill in the Blanks

Convert 4/9 to a repeating decimal.

Ex: 0.22...

Type answer...

Multiple Choice

What is 38/100 as a decimal?

0.38

0.038

.389

0.4

8.1 Rational Numbers

by Ashley Morris

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