Remember: Join shapes with no gaps to make a new shape. Then you can join that one too.
Join shapes
Slide shapes together so their sides touch.
1
Pip puts 2 trapezoids together. Which shape do they make?
trianglehexagoncircle
2
Each square is cut into 2 triangles. How many triangles make this rectangle?
3
Each rectangle is 3 squares. How many squares make 3 of these rectangles?
4
Which two pieces make a rectangle?
ABC
5
Four small squares make 1 big square. How many small squares make 2 big squares?
6
Join the pieces to the new shape.
12 trapezoids
22 half circles
32 squares
Aa circle
Ba rectangle
Ca hexagon
Think about it
7
Which pieces make a whole circle? Circle every one.
4 quarter circles2 half circles2 squares
8
Each square is cut into 2 triangles. How many triangles are in 5 squares?
9
3 triangles make 1 trapezoid. How many triangles make 2 trapezoids?
10
Draw a line to cut this hexagon into 2 trapezoids.
11
Tell how 2 triangles can make a square. Draw or write.
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Answer key · Set C
Join and count
1hexagon Two trapezoids slide together to make a hexagon.
212 The rectangle has 6 squares. 2 triangles for each one: 6 + 6 = 12.
39 3 and 3 and 3 make 9.
4C Two squares side by side make a rectangle.
58 4 and 4 make 8.
61-C, 2-A, 3-B 2 trapezoids make a hexagon, 2 half circles make a circle and 2 squares make a rectangle.
74 quarter circles, 2 half circles 4 quarter circles and 2 half circles both make a circle. 2 squares make a rectangle.
810 2 for each of 5 squares: 2 + 2 + 2 + 2 + 2 = 10.
96 3 and 3 make 6.
11Your own words: a grown-up reads it.
Mark each answer, count the right ones and write the score on the sheet.