Equivalent Ratios
If y=2, when x=10, find the value of y when x=20
4
What is the most important rule of adding and subtracting decimals?
Line up your decimals
How do you know how many digits will come behind the decimal in your answer?
By counting the number of digits after the decimals in your problem
What is the first step in dividing a decimal?
Move the decimal to the right in order to make your divisor a whole
What is another word for "flip" in dividing fractions?
Reciprocal
If y=3, when x=15, find the value of y when x=75
15
Add the decimals 43.28 + 31.45
74.73
5
If a board 7.5 feet long is cut into 2.5 foot pieces, how many pieces will there be?
3
What is 1/4 ÷ 9/10?
5/18
Are 14/15 and 42/45 equivalent? If so, what are they being multiplied by?
Yes, 3
Subtract the decimals 148.93 - 121.36
27.57
What is the product of 0.28 and 3.7?
1.036
What is 2.07 ÷ 0.9?
2.3
What is 7/15 ÷ 4/6 in simplest form?
7/10
Curtis studies 25 hours for 2 tests, and studies 100 hours for how many tests?
8
Add the Decimals 1.325 + 0.081
1.406
What is the product of 2.678 and 9.7?
25.9766
4 students went to a high school football game. They spend a total of $50.24 while at the game. If they split the cost equally amongst each other, how much did each person pay?
$12.56
What is 5/9 ÷ 1/2?
1 1/9
Julia texts 60 words in 4 minutes, Tristan text 75 words per 5 minutes, who text the fastest per minute?
Neither, they both text at the same rate.
Subtract the decimals 248 - 131.48
116.52
What is the product of 3.04 x 0.009?
0.02736
A family drove 315.5 miles for a soccer tournament and used 11.4 gallons of gas. How many miles did they get per gallon of gas? Round to the nearest hundredth.
27.68
What is 8 4/12 ÷ 3 3/4?
2 2/9