Multiply by 2's
2 x 4 =
8
True or False:
The perimeter measures the space inside the shape.
False; Perimeter measures the distance around the shape.
The easiest way to find the AREA of a shape is to:
a) multiply
b) add
c) divide
Multiply
3 x 5 =
15
How many sides (walls) does the room you're in have?
4 sides (walls)
2 x 9 =
18
The sides of this shape are 7 units, 5 units, 3 units, and 8 units. What is the perimeter?
23 units
Length = 7cm
Width = 6cm
What is the area?
7cm x 6cm = 42sq cm
3 x 8
24
Spell this word.
Trouble
2 x 20 =
40
Craig is trying to find the perimeter of his shape. He measures each side. Here are the measurements: 8cm, 10cm, 5cm, and 6cm. He says that the perimeter equals 32cm?
Is Craig right? What mistake(s) did he make?
The perimeter equals 29cm. Craig did not add correctly.
Length = 9in
Width = 8in
Find the area.
9 x 8 = 72
3 x 12 =
36
The U.S.A is made up of how many states?
50 states
2 x 50 =
100
A shape has four sides that are not equal. The sides are 10cm, 8cm, 5cm, and one missing side.
The TOTAL of all the sides = 30cm. What is the length of the missing side?
7cm.
5cm + 8cm + 10cm = 23cm
30cm - 23cm = 7cm
The area of a square = 25 sq in. The length equals 5in.
What is the width of the square?
5in.
All sides of a square are equal.
25 sq in. ÷ 5in. = 5in.
3 x 40
120
40 + 40 + 40 = 120
What's the largest star in the universe?
The Sun