Arithmetic
What is 3 x 6?
18
(3 - 2) x 4
4
This shape has four sides of equal length
A square
Which is bigger? A centimeter or an inch?
An inch
One inch squared (1 in2)
What is 80 ÷ 10?
4 x 2 +2
10
This shape may be a square, but it can also be a four-sided shape with two sets of sides with equal length
Rectangle
If a rectangle’s sides are given in meters, what units do we use to measure its area?
Meters squared (m2)
Find the perimeter of a rectangle that is two centimeters tall and five centimeters long.
14 centimeters
What is 9 x 11?
99
(3 + 6) ÷3
3
According to School House Rock’s song Three is a Magic Number, every one of these has three corners and three sides: “No more, no less; you don’t have to guess“
A triangle
How many inches long is a standard ruler?
12 inches
Find the area of a rectangle that is one (1) centimeter long and sixteen (16) centimeters tall.
16
What is 63 ÷ 9?
7
48 ÷ 6 - 6
2
STOP and think about this shape, which has eight sides of equal length
What two units of measurement are included on a standard ruler?
Inches and centimeters
Ms. Alison is putting a fence up around her backyard so that her dog doesn’t run away. If her backyard is a square with side lengths of ten (10) yards, how much fencing does Ms. Alison need?
40 yards
What is 12 x 8?
96
(Remember, 12 x 8 is equal to (10 x 8) + (2 x 8)!)
(6 x 2 + 8) + 12 ÷ 6
22
Just as all squares are rectangles, all squares AND rectangles are these four-sided shapes, which have two sets of parallel and equal-length sides
Parallelograms
(Note: the only difference between a non-rectangular parallelogram and a rectangle is the angles at which the sides meet)
How tall is Ms. Alison in inches?
(She is five feet and two inches tall)
62 inches tall
Given a square whose sides are one inch long, is the square’s area or perimeter larger?
Perimeter