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Grade 9 Math Brain Teasers

Engage your mind with challenging math brain teasers designed for Grade 9 students, featuring logic puzzles, number sequences, and spatial reasoning.

Grade 9 Math Math PuzzlesBrain Teasers
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Includes

3 Short AnswerFill in the BlanksMultiple ChoiceTrue / False

Standards

CCSS.MATH.CONTENT.HSN.Q.A.1CCSS.MATH.CONTENT.HSA.CED.A.1CCSS.MATH.CONTENT.HSG.CO.C.9

Topics

math puzzlesbrain teasersgrade 9logicproblem solving
8 sections · Free to use · Printable
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Grade 9 Math Brain Teasers

Name:

Date:

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Solve the following brain teasers. Show your work or explain your reasoning where applicable. Think creatively!

1. If a doctor gives you three pills and tells you to take one every half hour, how long will they last?

2. What is the next number in the sequence: 1, 1, 2, 3, 5, 8, 13,  .

3. What has an eye but cannot see?

a

A needle

b

A storm

c

A potato

d

A cyclops

4. A man is looking at a portrait. Someone asks him, 'Whose picture are you looking at?' He replies, 'Brothers and sisters I have none, but that man's father is my father's son.' Whose picture is he looking at?

5. This statement is false.

T

True

F

False

6. Imagine you are in a room with three light switches. Each switch controls one of three light bulbs in an adjacent room. You cannot see into the adjacent room. How can you figure out which switch controls which bulb by entering the adjacent room only once?