Adding 10
10 + 10 =
20
20 - 20 =
0
Name the coin that is worth 1 cent.
Penny
What shape has 3 sides and 3 vertices?
Triangle
2 + 2 + 2 =
6
10 + 70 =
80
80 - 40 =
40
Name the coin that is worth 10 cents.
What shape has 4 equal sides and 4 vertices?
square
5 + 5 + 5 =
15
30 + 29 =
59
70 - 20 =
50
Name the coin that is worth 5 cents.
Nickel
What shape has 0 sides and 0 vertices?
Circle
3 + 3 + 4 =
10
60 + 24 =
84
90 - 20 =
70
Name the coin that is worth 25 cents.
Quarter
What shape looks like a dice?
cube
6 + 4 + 3 =
13
80 + 18 =
98
90 - 50 =
40
Name the coins that could give me a total of 15 cents.
15 pennies
1 dime and 1 nickel
1 dime and 5 pennies
10 pennies and 1 nickel
3 nickels
2 nickels and 5 Pennies
What kind of shapes are flat? (3D or 2D)
2D Shapes
10 + 5 + 5 =
20