Rational Numbers Study Guide

​ADDITIONAL RESOURCES

​​You may visit the links below to view video lessons about our topic

​​https://youtu.be/xROys_YX3-s

​https://youtu.be/w4avbJj58Kg

https://youtu.be/DdrW_2Gdlng

​https://youtu.be/BYJ3qQDW8ck

​https://youtu.be/zoVUxArZ9Pg

​https://youtu.be/RMwuyKzWXck

​https://youtu.be/9bz_30UfQQE

​https://youtu.be/Le1gvVE2QXg

​https://youtu.be/FMxsBXrM0G4

​https://youtu.be/GaERN0VCiq8

​https://youtu.be/dmxTbMfe6hM

Multiple Choice

It represents equal parts of a whole or a collection.

• Decimal

• Fraction

• set

• percent

Multiple Choice

It is a number whose whole number part and the fractional part is separated by a decimal point.

• Decimal

• Fraction

• set

• percent

Multiple Choice

It is a point or dot we use to separate the whole number part from the fractional part of a decimal number.

• fraction form

• percentage

• decimal point

• set of point

Multiple Choice

Express 0.25 to fraction.

• 1/2

• 1/3

• 1/4

• 2/3

Multiple Choice

Express 1/2 to decimal form.

• 0.75

• 0.25

• 0.125

• 0.50

Multiple Choice

Which of the following are similar fractions?

• 1/2, 1/3, 1/4

• 1/3, 2/3, 3

• 1/7, 2/3, 3/4

• 1/9, 4/9, 5/9

Multiple Choice

What is the least common denominator of 1/3, 1/2 , 1/4 ? 

• 6

• 8

• 12

• 24

Multiple Choice

Subtract 1/6 from 5/6 ?

• $$\frac{1}{6}$$  

• $$\frac{1}{2}$$  

• $$\frac{2}{3}$$  

• $$\frac{1}{3}$$  

Multiple Choice

Nancy bought  $$4\frac{3}{4}$$   kilos of chicken and give  $$1\frac{1}{2}$$   kilos to her friend. How many kilos of chicken was left?

• $$3\frac{1}{4}$$  

• $$4\frac{1}{3}$$  

• $$3\frac{3}{4}$$  

• $$4\frac{1}{4}$$  

Multiple Choice

Find the sum of 15.789, 2.51 and 6.5.

• 2.4799

• 24.799

• 247.99

• 2479.9

Multiple Choice

Find the greatest common factor of the two numbers:

7 and 14

• 7

• 14

• 21

• 28

Multiple Choice

Find the greatest common factor of the two numbers:

12 and 32

• 4

• 14

• 21

• 28

Fill in the Blanks

Fill in the Blanks

Fill in the Blanks

Multiple Choice

Express each Fraction in Decimal form. Round off your answers into thousandths place

$$\frac{3}{4}$$  

• 0.75

• 0.25

• 0.50

• 1

Multiple Choice

Express each Fraction in Decimal form. Round off your answers into thousandths place

$$\frac{9}{5}$$  

• 0.75

• 0.25

• 0.50

• 1.8

Multiple Choice

Express each Fraction in Decimal form. Round off your answers into thousandths place

$$\frac{7}{33}$$  

• 0.75

• 0.212

• 0.50

• 1.8

Multiple Choice

Express each Fraction in Decimal form. Round off your answers into thousandths place

$$\frac{17}{11}$$  

• 0.75

• 0.212

• 0.50

• 1.54

Multiple Choice

Express each Fraction in Decimal form. Round off your answers into thousandths place

$$\frac{17}{20}$$  

• 0.75

• 0.212

• 0.85

• 1.54

Multiple Choice

Express each Decimal number in Fraction in lowest terms or a mixed number in simple form:

0.15

• $$\frac{3}{20}$$  

• $$1\frac{3}{20}$$  

• $$\frac{20}{3}$$  

• $$\frac{30}{2}$$  

Multiple Choice

Express each Decimal number in Fraction in lowest terms or a mixed number in simple form:

0.225

• $$\frac{9}{40}$$  

• $$1\frac{3}{20}$$  

• $$\frac{20}{3}$$  

• $$\frac{30}{2}$$  

Multiple Choice

Express each Decimal number in Fraction in lowest terms or a mixed number in simple form:

2.33

• $$\frac{9}{40}$$  

• $$2\frac{1}{3}$$  

• $$\frac{20}{3}$$  

• $$\frac{30}{2}$$  

Multiple Choice

Express each Decimal number in Fraction in lowest terms or a mixed number in simple form:

9.08

• $$\frac{9}{40}$$  

• $$9\frac{2}{25}$$  

• $$\frac{20}{3}$$  

• $$\frac{30}{2}$$  

Multiple Choice

Express each Decimal number in Fraction in lowest terms or a mixed number in simple form:

4.404

• $$\frac{9}{40}$$  

• $$4\frac{101}{250}$$  

• $$\frac{20}{3}$$  

• $$\frac{30}{2}$$  

Multiple Choice

Perform the indicated operations and express your answer in simplest form.

$$\frac{2}{9}+\frac{3}{9}=$$  

• $$\frac{5}{9}$$  

• $$\frac{5}{18}$$  

• $$\frac{9}{5}$$  

• $$\frac{18}{5}$$  

Multiple Choice

Perform the indicated operations and express your answer in simplest form.

$$\frac{7}{9}-\frac{1}{9}=$$  

• $$\frac{5}{9}$$  

• $$\frac{5}{18}$$  

• $$\frac{2}{3}$$  

• $$\frac{18}{5}$$  

Multiple Choice

Perform the indicated operations and express your answer in simplest form.

$$\frac{5}{11}+\frac{4}{11}=$$  

• $$\frac{5}{9}$$  

• $$\frac{5}{18}$$  

• $$\frac{9}{11}$$  

• $$\frac{18}{5}$$  

Multiple Choice

Perform the indicated operations and express your answer in simplest form.

$$\frac{4}{9}-\frac{1}{4}=$$  

• $$\frac{5}{9}$$  

• $$\frac{5}{18}$$  

• $$\frac{7}{36}$$  

• $$\frac{18}{5}$$  

Multiple Choice

Perform the indicated operations and express your answer in simplest form.

$$9\frac{5}{7}-3\frac{2}{7}=$$  

• $$\frac{5}{9}$$  

• $$\frac{5}{18}$$  

• $$6\frac{3}{7}$$  

• $$\frac{18}{5}$$  

Multiple Choice

Perform the indicated operation.

$$\frac{8}{5}+\frac{4}{5}=$$  

• $$2\frac{2}{5}$$  

• $$2\frac{1}{5}$$  

• $$1\frac{2}{5}$$  

• $$\frac{2}{5}$$  

Multiple Choice

Perform the indicated operation.

$$\frac{8}{3}-\frac{16}{9}=$$  

• $$2\frac{2}{5}$$  

• $$2\frac{1}{5}$$  

• $$1\frac{2}{5}$$  

• $$\frac{8}{9}$$  

Multiple Choice

Perform the indicated operation.

$$\frac{2}{3}-\frac{2}{5}=$$  

• $$2\frac{2}{5}$$  

• $$2\frac{1}{5}$$  

• $$1\frac{2}{5}$$  

• $$\frac{4}{15}$$  

Multiple Choice

Perform the indicated operation.

$$\frac{7}{8}-\frac{5}{6}=$$  

• $$2\frac{2}{5}$$  

• $$\frac{1}{24}$$  

• $$1\frac{2}{5}$$  

• $$\frac{4}{15}$$  

Multiple Choice

Perform the indicated operation.

$$4\frac{1}{8}-\frac{3}{4}=$$  

• $$3\frac{3}{8}$$  

• $$\frac{1}{24}$$  

• $$1\frac{2}{5}$$  

• $$\frac{4}{15}$$  

Multiple Choice

Perform the indicated operation.

$$\frac{5}{6}\ X\ \frac{2}{3}=$$  

• $$\frac{5}{9}$$  

• $$\frac{9}{5}$$  

• $$\frac{8}{9}$$  

• $$\frac{9}{8}$$  

Multiple Choice

Perform the indicated operation.

$$7\ X\ \frac{2}{3}=$$  

• $$\frac{5}{9}$$  

• $$\frac{9}{5}$$  

• $$7\frac{2}{3}$$  

• $$\frac{9}{8}$$  

Multiple Choice

Perform the indicated operation.

$$10\frac{5}{6}\ X\ 3\frac{1}{3}=$$  

• $$\frac{5}{9}$$  

• $$\frac{9}{5}$$  

• $$36\frac{1}{9}$$  

• $$\frac{9}{8}$$  

Multiple Choice

Perform the indicated operation.

$$20\ \div\ \frac{2}{3}=$$  

• $$\frac{5}{9}$$  

• $$\frac{9}{5}$$  

• $$36\frac{1}{9}$$  

• $$30$$  

Multiple Choice

Perform the indicated operation.

$$\frac{5}{12}\ \div\ \frac{3}{4}=$$  

• $$\frac{5}{9}$$  

• $$\frac{9}{5}$$  

• $$36\frac{1}{9}$$  

• $$30$$