shapes
Making 10 strategy
subtraction
double facts
near double facts
100

How many flat faces do a pyramid? 

A triangle

100

7+5

10+2=12

100

10-7=

3

100

1+1=

2

100

6+7

6+6 or 7+7

explain how you use either one to help

200

Name on 3D shape that does not have a flat flace

sphere

200

8+6=

10+4

14

200

20-5=

15

200

10+10=

20

200

8+9

8+8 or 9+9

300

What part of the shape is called a vertice?

A corner

300

7+9

10+6

16

300

32-15=

17

300

7+7=

14

300

1+2

1+1 or 2+2

400

How many corners are there in a cube?

8

400

56+6=

60+2

62

400

40-20=

20

400

12+12=

24

400

5+6

5+5 or 6+6

500

Name the four rules that a shape must have to be a polygon?

1. straight lines

2. Corners

3. No gaps/ openings

4. No crossovers

500

69+8

70+7

77

500

100-25=

75

500

15+15=

30

500

7+8

7+7 or 8+8

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