Area of parallelograms
Area of other shapes
Decimal Addition and Subtraction
Greatest common factor
Multi-digit multiplication
100
The area of this rectangle:
What is 240 square inches?
100
The area of this triangle:
What is 30 square inches?
100
2.5 + 4.5
What is 7?
100
The greatest common factor of 9 and 12?
What is 3?
100
24 x 5
What is 120?
200
The area of a square, if each side is 7 inches long.
What is 49 square inches?
200
The area of this triangle:
What is 16 square inches?
200
34.41 + 18.05
What is 52.46
200
The greatest common factor of 18 and 45
What is 9?
200
33 x 7
What is 231?
300
How to find the area of a parallelogram.
What is "multiply the base by the height"? or... A = (b × h)
300
What is the area of this triangle?
What is 22.5 square units?
(5 x 9) ÷ 2 = 22.5
300
6.27 - 5.5
What is 0.77?
300
All of the factors of 36.
What are 1, 2, 3, 4, 6, 9, 12, 18, and 36
300
46 x 12
What is 552?
400
The area of this parallelogram:
What is 32 square units?
400
The area of this polygon:
What is 36 square units?
(Add the area of the rectangle and the area of the triangle)
400
274.107 + 38.4
What is 312.507
400
The greatest common factor of 15, 20, and 30
What is 5?
400
29 x 40
What is 1,160?
500
The area of this parallelogram:
What is 48 square feet?
500
The area of this shape:
What is 25 square units?
The easiest way to find the answer is to find the area of the rectangle (28 square units) and subtract the area of the missing triangle (3 square units).
28 - 3 = 25
500
Joseph has $20.50. If he buys a shirt for $14.95, how much money will he have left?
He will have $5.55 left.
500
Malik is packing gift bags for his friends. He has 10 peanut butter cups and 15 light-up pencils. He wants each friend to have the same amount of each item in their bag. What is the greatest number of bags he can he pack up?
Malik can pack 5 gift bags.
Because 5 is the greatest common denominator of 10 and 15, Malik can put 2 peanut butter cups and 3 pencils in each bag.
500
44 x 35
What is 1,540?
600
What is the area of a parallelogram whose base is 3.5 inches and height is 3 inches?
What is 10.5 square inches?
600
The area of this trapezoid.
What is 36 square units?
(Divide the trapezoid into a rectangle and two triangles.)
600
Maya has $207.97 in her bank account. If she gets paid $53.30 for mowing lawns, how much money will she have in all?
She will have $261.27 in all.
600
Matthew is packing food boxes for kids at summer camp. Each box needs to have the same quantity of each item. If he has 24 cookies, 18 fruit drinks, and 12 sandwiches, what is the greatest number of boxes he can pack?
Matthew can pack 6 boxes.
6 is the greatest common denominator of 24, 18, and 12. Matthew can put 4 cookies, 3 fruit drinks, and 2 sandwiches in each box.
600
135 x 72
What is 9,720?