Operations with whole numbers
7 + 9 =
16
3.25 + 2.13 =
5.38
⅓ + ⅔ =
3/3 or 1
What is the area of a rectangle with length 8 and width 4?
32 units2
What is a polygon with 4 sides called?
quadrilateral
45-27 =
18
7.89 - 4.56 =
3.33
⅘ - ⅕ =
3/5
What is the perimeter of a rectangle with length 10 and width 6?
32 units
What do we call a triangle with one right angle?
a right triangle
12 x 5 =
60
0.6 × 0.4 =
0.24
¾ × ⅖ =
6/20 or 3/10
What is the area of a rectangle with length 9 and width 4.5?
40.5 units2
What do we call a quadrilateral with 4 right angles where all 4 sides are equal?
a square
63 + 9 =
72
9.78 ÷ 3 =
3.26
⅞ + ¾ =
13/8 or 1 5/8
What is the perimeter of a rectangle with length 12.5 and width 7.75?
40.5 units
What do we call a triangle with two sides that are equal lengths?
isosceles triangle
98 x 25 =
2,450
5.23 x 4.97 =
25.9931
⅚ ÷ ⅔ =
15/12 or 5/4
OR
1 3/12 or 1 1/4
What is the area of a rectangle with length 5.5 and width 3.25?
17.825 units2
What do we call a quadrilateral with one pair of parallel lines?