Multiples & Factors
What are the prime factors of 90?
5 x 2 x 32
What fraction is the greatest?
3/5
4/7
5/6
7/12
5/6
The area of a rectangle is 36 cm2
Its width is 4 cm. Find the perimeter of the rectangle.
26 cm
There are 48 people at a meeting. 12 of them are men. What is the ratio of the number of women to the number of men?
3:1
Round 86, 942, 136 to the nearest 1,000,000
87,000,000
What is the least common multiple of 4 and 6?
12
2/3 of the students in a class of 24 wear glasses. How many students do not wear glasses?
8
Find the total surface area of a box that is 6 x 6 x 4 cm.
168 cm2
60 ml of water was added to 15 ml of squash to make a drink. What is the ratio of the volume of water to the volume of the drink?
4:5
A rectangle measures 5/7 by 2/5 m.
What is its area?
2/7 m2
What is the greatest common factor of 9 and 15?
3
Multiply 4 by 7/28
1
A triangle has a base of 5 and a height of 12 cm. What is the area?
30
50 kg of fruit was put into 3 boxes, M, N, and O in the ratio 1:4:5. How much fruit was there in Box N?
20 kg
4/7 divided by 1/2
1 1/7
What is the 6th multiple of 8?
48
Mrs. Trent had 4/5 kg of sugar. She used 3/4 of it. How much sugar did she have left?
1/5 kg
Find the area of a parallelogram with base 10 and height 12.
120
Write an equivalent ratio for 2:5
possible answer: 4:10
Estimate the value of 377, 298 x 91
possible answer: 40,000,000
What are the factors of 17?
1, 17
There are 540 people at a club function. 1/3 of the people are members of the club and 5/6 of the remainder are special guests. How many special guests are there?
300
49 cm2
Express 3:12 in its simplest form
1:4
Find the value of 16 / (26-18) x 4 - 3 + 6
11