Factoring
Adding and Subtracting Decimals
Multiplying and Dividing Decimals
Adding and Subtracting Fractions
Multiplying and Dividing Fractions
100
Find the LCM of 15 and 20.
The LCM of 15 and 20 is 60
100
What is the most important rule to remember when adding and subtracting decimals?
Line up the decimals points
100
What do we need to remember about the decimal points when multiplying decimals?
Do not line up the decimals points, ignore them until the end. Count how many number are after the decimal point in both factors, that is how many decimal places will be in your answer (product)
100
What do you need to remember about the denominators when adding and subtracting fractions?
You need to have a common denominator to add or subtract fractions.
100
Find the product and write your answer in simplest form: 3/4 x 2/5=
3/4 x 2/5 = 6/20 = 3/10
200
What is the GCF of 42 and 28?
The GCF of 42 and 28 is 7
200
Solve: 6.3 + 2.6 =
6.3 + 2.6 = 8.9
200
Find the product of 6.5 and 2.3.
6.5 x 2.3 = 14.95
200
Find the sum and write your answer in simplest form: 3/12 + 5/12 =
3/12 + 5/12 = 8/12 = 2/3
200
Find the quotient and express your answer in simplest form: 1/8 divided by 5/7 =
1/8 divided by 5/7 = 1/8 x 7/5 = 7/40
300
Rewrite 9(3 + 7) using the distributive property.
9(3+7) = 9(3) + 9(7)
300
Solve: 24.8 - 12.5 =
24.8 - 12.5 = 12.3
300
Solve: 10.92 / .4 =
10.92 / .4 = 27.3
300
Find the difference and write your answer in simplest form: 3/6 - 1/5=
3/6 - 1/5= 15/30 - 6/30 = 9/30 = 3/10
300
Find the product and write your answer in simplest form. 4 2/7 x 1/2 =
4 2/7 x 1/2 = 30/7 x 1/2 = 30/14 = 2 2/14 = 2 1/7
400
Simplify 14/63
14/63 = 2/9
400
Solve: 38.2 - 21.43 =
38.2 - 21.43 = 11.37
400
Solve: 1.23 / .5 =
1.23 / .5 = 2.46
400
Find the difference and write your answer in simplest form: 2 3/4 - 2/3 =
2 3/4 - 2/3 = 11/4 33/12 - 2/3 - 8/12 = 25/12 = 2 1/12
400
Find the quotient and express your answer in simplest form. 4 2/5 divided by 2 =
4 2/5 divided by 2 = 22/5 divided by 2/1 = 22/5 x 1/2 = 22/10 = 2 2/10 = 2 1/5
500
Find the GCF of 18 and 45 and use the distributive property to rewrite 18 + 45.
The GCF of 18 and 45 is 9 18 + 45 = 9(2+5) or 18+ 45 = 9(2) + 9(5)
500
John math homework was worth 100 points. He lost 18.75 points for incorrect answers and 10 points for turning it in late. What many points did he earn on his homework assignment?
100 - 18.75 - 10 = 71.25
500
Matt makes $8.75 for each hour that he works. Matt worked for 12 hours last weekend; how much money did Matt make?
$8.75 x 12 = $105.00
500
Molly is making trail mix for her family using the recipe below. 2/3 cup peanuts 3/4 cup chocolate chips 2 cups Chex cereal How many cups of trail mix will Molly's recipe make?
2/3 8/12 3/4 9/12 + 2/1 + 24/12 41/12 = 3 5/41 cups
500
There are 130 players in a basketball league. If 2/5 of the students are new to the league, how many players are new to the league?
OF tells us to multiply 130 x 2/5 = 130/1 x 2/5 = 260/5 = 52 players
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