RATIOS
There are 5 mice in a cage. The ratio of pink mice to black mice is 2:3. How many black mice are in the cage?
3 mice
List an equivalent fraction for 3/4.
Possible answers (there could be others) 6/8; 9/12; 12/15; 15/18; etc.
What is the Greatest Common Factor (GCF) of 60 and 30?
30
AREA of a square
A =s2
30 buses can carry 1500 people. What is the number of people that can be carried by 5 buses.
250 people
Reduce the fraction 18/27 to its simplest form.
2/3
Volume of a rectangular prism
Volume = l × w × h
Write the ratio 7:12 as a fraction and a decimal rounded to the hundredths.
0.58
3/4 x 1/2 =
3/8
AREA of parallelogram
bxh
The ratio of cups of peas to cups of carrots is 3 to 2. Write 3 equivalent ratios.
Example:
6 to 4, 12 to 8, 15 to 10
3 2/3 x 2 1/2 =
8 1/2 or 8.5
AREA for triangle
A = 1/2 × b × h
Ahmad's mom prepares a plate with 5 peaches and 4 apples for 6 students in his study group. What is the ratio of fruit to students written as a fraction?
9/6 OR 3/2
2 1/5 : 5/6 =
66/25 = 2 16/25 = 2.64
What is the Greatest Common Factor (GCF) of 48 and 64?
16
What is the Least Common Multiple of 2,3, and 9?
18
Formula for area of a trapezoid
A = ½ (a + b) h