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Pattern Block Symmetry Puzzles

Grade 4 symmetry practice with pattern blocks: count lines of symmetry, test the seams in built shapes, and draw a line of symmetry.

Grade 4MathInteractive · Printable

Aligned to4.G.A.3

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What’s included

Single worksheet
Auto-graded online
1 Common Core standard
Printable answer key
11 questions
Classroom-ready

Details

Format: Interactive · Printable
Grade: Grade 4
Subject: Math
Question types: Fill in the blank, Multiple choice, Matching, Circle the answer, Sorting, Short answer, Drawing

About this worksheet

What students practice

Students decide whether a line through a flat shape is a line of symmetry.
Students count all the lines of symmetry in single blocks and in shapes built from blocks.
Students draw the line of symmetry on a shape that has been turned.

How to use

Set out real pattern blocks so students can build each shape in Part 1 and trace it. Let them fold paper tracings to check a line before they answer.

Curriculum

Common Core standard covered

4.G.A.3

Find and draw lines of symmetry in two-dimensional figures.

Preview

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Pattern Block Symmetry Puzzles

Find, count, and draw lines of symmetry on pattern blocks and the shapes they build.

Part 1: Build and check

A line of symmetry folds a shape into two halves that match exactly. Kai's class is building shapes with pattern blocks in the math center.

Kai puts 6 green triangle blocks together to make a hexagon. Each triangle has 3 sides that are the same length. The hexagon has 6 sides that are the same length.

How many lines of symmetry does one triangle block have?
How many lines of symmetry does the whole hexagon have?
How many more lines of symmetry does the hexagon have than one triangle block?

Lena puts a triangle block on top of a square block to make a house shape.How many lines of symmetry does the whole house shape have?