Area of parallelograms
Area of other polygons
Decimal Addition and Subtraction
Greatest common factor
Multi-digit multiplication
100
The area of this rectangle:
What is 96 square miles?
100
The area of this triangle:
What is 24 square inches?
(6 x 8) ÷ 2 = 24
100
7.3 + 4.8
What is 12.1?
100
The greatest common factor of 56 and 42.
What is 14?
100
25 x 5
What is 125?
200
The area of a square, if each side is 9 inches long.
What is 81 square inches?
200
The area of this triangle:
What is 70 square meters?
(14 x 10) ÷ 2 =70
200
43.01 + 28.55
What is 71.56?
200
The greatest common factor of 25 and 45
What is 5?
200
34 x 8
What is 272?
300
The area of this parallelogram:
What is 28 square units?
300
1What is the area of this triangle?
What is 24 square units?
(4 x 12) ÷ 2 = 24
300
316.27 + 15.5
What is 331.77?
300
All of the factors of 48.
What are 1, 2, 3, 4, 6, 8, 12, 16, 24, 48?
300
46 x 23
What is 1,058?
400
The area of this rectangle:
What is 1,564 square miles?
400
The area of this polygon:
What is 60 square units?
The easiest way to solve this problem is to divide the polygon into a rectangle and a triangle, and add the results.
Rectangle: 3 x 10 = 30
Triangle: (6 x 10) ÷ 2 = 30
30 + 30 = 60
400
63.3 - 3.4
What is 59.9?
400
The greatest common factor of 24, 36, and 60
What is 12?
400
72 x 59
What is 4,248?
500
The area of this parallelogram:
What is 80 square centimeters?
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 (50 square units) and subtract the area of the missing triangle
(3 x 4) ÷ 2 = 6
50 - 6 = 44
500
Joseph has $40.00. If he buys a shirt for $17.75, how much money will he have left?
He will have $22.25 left.
500
Angela is serving snacks to her friends. She wants to be fair and give each friend exactly the same snack. If she has 10 cookies and 25 carrot sticks, how many friends can she feed?
Angela can feed 5 friends.
Because 5 is the greatest common factor of 10 and 25, she can give each friend 2 cookies and 5 carrot sticks.
500
181 x 43
What is 7,783?
600
What is the area of a parallelogram whose base is 2.5 inches and height is 10 inches?
What is 25 square inches?
600
The area of this trapezoid.
What is 30 square units?
7.5 + 15 + 7.5 = 30
600
74.007 - 38.46
What is 35.547?
600
Mr. Jamie is sorting school supplies into boxes for his students. He wants each student to have the same number of each item.
If he has 32 pencils, 24 erasers, and 16 highlighters, how many students can he give supplies to?
Mr. Jamie can give supplies to 8 students.
Because 6 is the greatest common denominator of 32, 24 and 16, Mr. Jamie can give each student 4 pencils, 3 erasers, and 2 highlighters.
600
414 x 75
What is 31,050