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
- whole numbers
- irrational numbers
- integers
Jun gets a card with a minus sign in front of a root. What is the smallest group that holds −√64?
- irrational numbers
- rational numbers
- integers
- whole numbers
Kira draws √45 from a pile of cards. What is the smallest group that holds √45?
- irrational numbers
- rational numbers
- integers
- whole numbers
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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?
- irrational numbers
- integers
- whole numbers
- rational numbers
Noah's square window has an area of 10 square feet, so each side is √10 feet long. What is the smallest group that holds the side length?
- rational numbers
- whole numbers
- integers
- 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?
- rational numbers
- integers
- irrational numbers
- whole numbers
Zee sorts four number cards into two piles. Which of these numbers is irrational?
- √26
- √169
- 0.3636…
- 3.14
Ari finds four numbers in a puzzle book. Which of these numbers is irrational?
- √60
- 7/9
- −√100
- 0.1666…
Bo marks four points on a number line for a poster. Which point is an irrational number?
- Point D
- Point C
- Point B
- Point A
Jun labels four points on a number line. Which point is an irrational number?
- Point C
- Point A
- Point B
- Point D