Unit 3
If there are 10 boys and 15 girls in a class, what is the ratio of boys to girls?
10:15
What are the steps to divide fractions?
Keep, change, flip
92
81
How do you calculate the area of the parallelogram?
A = bh
How do you calculate percentage?
Write the percentage as a ratio.
What are the steps to multiplying fractions?
48
65,536
How do you calculate the area of a triangle?
A = bh/2
What is a ratio?
A comparison between two quantities.
What are the steps of multiplying decimals?
Multiply them like normal, and ignore the decimal point. Then, the product will have the same number of digits to the right of the decimal as the multiplicand and multiplier combined.
72
49
How do you calculate surface area?
Add the area of all the sides on a 3D shape.
What is rate?
A ratio of two quantities that use different units.
What are the steps of dividing decimals?
Set up the problem for long division. Next, divide, multiply, subtract, bring down. If there is a remainder, add a decimal and zero to your dividend. Then, repeat the second and third steps until you have no remainder.
66
46,656
What is the area of a parallelogram with a length of 5 inches, and a height of 7 inches
35 units squared
How do you calculate Unit Rate?
Write the rate in fraction notation, then using division write an equivalent rate with a denominator.
6.5 x 8.7
56.55
95
59,049
What is the area of a triangle with a height of 9 feet, and a length of 7 feet.
31.5 feet squared