Whole Numbers
6,478 x 5 =
51,824
100- 34.87
65.13
Convert 50 meters to km
50,000km
2 - (1/8) =
15/8
1 (7/8)
b + 76 = 100
b = 24
3,639 / 5 =
727 r 4
What are two important rules for adding and subtracting decimals?
1. Make sure the decimals are lined up
2. If you have a whole number, you put a decimal behind it, then add the number of zeros needed.
Convert 9 cg to mg
900,000mg
2/3 x 4/12 x 5/10 =
1/9
n/7 =4
n = 28
7,876- 4, 937 =
2,939
Write 6 wholes, 3 tenths and 9 thousandths as a decimal and a mixed number.
6.309
6 (309/1,000)
Ja'Kayla is 9m 45cm tall. What is her height in meters?
9.45m
One fifth of a building contains offices. One third of those offices are the offices of a candy company. What fraction of the building contains the offices of the candy company?
One-fifteenth
COMPARE <, >, AND =
25 – 6 + 3 and 25 – (6 + 3)
25 – 6 + 3 > 25 – (6 + 3)
What is the measure of an angle if its complement measures 25 degrees?
What is the measure of an angle if its supplement measures 85 degrees?
65 degrees
95 degrees
What are the rules for multiplying decimals by powers of ten?
What are the rules for dividing decimals by powers of ten?
When you multiply by powers of ten, your decimal moves to the right based on the number of zeros that are in your power of ten.
When you divide it's to the left.
A cookie recipe requires 4 cups of sugar. How many tablespoons of sugar does the cookie recipe require?
What relationship do you need to know to solve this problem? What is given?
How many tablespoons?
Relationship: 1 cup = 16 tablespoons
Given: 6 cups of sugar
Answer: 64 tablespoons
What are the rules for dividing fractions?
Solve (1/4) / 5 =
Keep. Change. Flip. Then cross cancel. Then multiply straight across.
1/20
What are the parts of a division problem?
dividend/divisor = quotient
Each classroom can hold 30 students. What is the smallest number of classrooms needed to hold 155 students?
6 classrooms
What are the rules for dividing decimals by decimals?
Solve: 28.105/3.5
First you set the problem up like a fraction, then you move the decimal out of the divisor. Then you can divide. In your answer the decimal goes straight to the quotient from the new dividend.
8.03
An empty barrel with a capacity of 27 gallons is to be filled juice using a pitcher with a capacity of 5 quarts. How many pitchers are required to fill the empty barrel?
Relationship needed? Given?
How many pitchers needed?
Relationship needed: 1 gal = 4 quarts
Given:27 gallons
Change gallons to quarts then divide the quarts from the pitcher. 108 quarts / 5 quarts =
How many pitchers needed? 22 pitchers
Thirteen of the 39 students in the 5th grade are going on a field trip. Give the answer in simplest form for the fraction representing the students in the 5th grade who are going on a field trip.
13/39
divided numerator and denominator by 13
1/3
Create a number line that shows the order of the fractions listed: 6/15, 3/5, and 2/3.
What do you have to do before putting the fractions on the number line?
Answer_______
Change it so that the denominators are the same.
6/15, 9/15, 10/15