Kinds of real numbers: rational and irrational
Grade 8 Math Worksheet
Circle the best answer.
Esme sorts number cards before a game. What is the smallest group that holds √81?
- rational numbers
- integers
- irrational numbers
- whole numbers
Jun gets a card with a minus sign in front of a root. What is the smallest group that holds −√64?
- irrational numbers
- integers
- whole numbers
- rational numbers
Read this first
Use this
Number line from 0 to 5, ticks every 1. Green marks are whole numbers, blue marks the other integers, orange marks the other rational numbers, and purple marks irrational numbers.
Luz traces a circle and wonders about the number π. What is the smallest group that holds π?
- rational numbers
- integers
- whole numbers
- irrational numbers
Pia's square sticky note has an area of 25 square centimeters, so each side is √25 cm long. What is the smallest group that holds the side length?
- whole numbers
- integers
- irrational numbers
- rational numbers
Use this
Number line from 0 to 5, ticks every 1. Green marks are whole numbers, blue marks the other integers, orange marks the other rational numbers, and purple marks irrational numbers.
Ren's round pizza is 1 foot across. The distance around its crust is exactly π feet. What is the smallest group that holds the distance around the crust?
- irrational numbers
- rational numbers
- integers
- whole numbers
Tala reads four numbers on a quiz card. Which of these numbers is irrational?
- √28
- 22/7
- 0.75
- √36
Zee sorts four number cards into two piles. Which of these numbers is irrational?
- √26
- 3.14
- √169
- 0.3636…
Ari finds four numbers in a puzzle book. Which of these numbers is irrational?
- −√100
- √60
- 0.1666…
- 7/9
Esme plots four numbers for a math club. Which point is an irrational number?
- Point A
- Point B
- Point D
- Point C
Jun labels four points on a number line. Which point is an irrational number?
- Point A
- Point B
- Point C
- Point D