$Number pyramids: add up from base numbers to 8: math puzzle for Grade 2, page 1 preview$

Math puzzle · Mathematics

Number pyramids: add up from base numbers to 8 · Grade 2

Each brick is the sum of the two bricks under it. Add to go up and subtract to go down to fill every empty brick in 4-row pyramids.

Grade 2 · ages 7 to 8
Medium
5 to 10 minutes
1 page
Free

The answer key is a separate page for grown-ups. Sign in to download it.

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What the sheet says

Directions: Each brick is the sum of the two bricks under it. Fill in every empty brick.

How it works
8 3 + 5 = 8
Add two bricks side by side to get the brick resting on them.

What your child practices

Your child practices the math skill “Add and subtract within 20”: add and subtract within 20 by counting on and back.

Grades and ages: Grade 2, ages 7 to 8
Time: About 5 to 10 minutes
Subject: Mathematics
Level: Medium for Grade 2
Answer key: Yes, for grown-ups who sign in
Printing: 1 page, US Letter or A4, low-ink option
Updated: October 15, 2026

How to use it

Read the rules at the top together and try the first step side by side. Use a pencil so mistakes rub out easily, and check every answer at the end. It is pitched at the expected level for Grade 2, for practice after the skill has been taught.

An answer key comes with it as a separate page that grown-ups download after signing in.

Tip for grown-ups: Solve the worked example at the top together first, then let your child try the rest.

Done on paper? A grown-up can record it on the child's page in PlayOwl; downloading alone doesn't count as finished.