Adding Fractions
Subtracting Fractions
Multiplying Fractions
Dividing Fractions
Parts of Fractions
Finding the LCD
Riddles
100
To add fractions they must have the same ______.
What is denominator?
100
IF subtracting fractions with unlike denominators you must multiply the fractions by ____ to create an equivalent fraction. ( ?/?)
What is an equivalent form of 1.
100
The answer to a multiplication problem
What is product?
100
The answer to a division problem.
What is a quotient?
100
the top digit in a fraction
What is the numerator?
100
Find the LCM of 30 & 50
What is 150
100
If you don’t keep me, I’ll break. What am I?
A promise
200
You can turn a mixed number into an _______ _______ to make it easier to compute.
Hint: This is what we call the fraction if the numerator is larger than the denominator
What is an improper fraction?
200
5/6 - 1/3 =
and what are the steps?
What is 1/2?
Find a common denominator
Multiply each by a factor of 1 (?/?)
Add the numerators
Simplify (divide) using (?/?)
200
To multiply fractions the denominators must be the same. True or False?
What is false?
200
An example of the ___________ __________strategy for dividing 3/4 ÷ 3/8 is:
Re-write 3/4 as 6/8. Then ask yourself, how many 3/8ths fit into 6/8.....which is the same thing as 6 ÷ 3.
What is common denominator?
200
The bottom digit of a fraction
What is the denominator?
200
`Find the LCM of 10 & 100
What is 100
200
I make a loud sound when I’m changing. When I do change, I get bigger but weigh less. What am I?
Popcorn
300
When adding fractions with a common denominator, what do you do with the numerators?
1/3+1/3 =
What is add? 2/3
300
When subtracting fractions with a common denominator, what do you do with the numerators?
What is subtract?
300
The inverse operation of multiplication.
What is division?
300
The inverse operation of division is ___________.
What is multiplication?
300
a fraction with the numerator greater than the denominator
What is an improper fraction?
300
Find the LCM of 15 & 20
What is 60
300
What does a ghost use to wash its hair?
Sham-BOO
400
Fractions can be simplified if the numerator and denominator have common _______.
2/4 =( / )
What are a common factors?
400
To simplify our answers, we use _________.
What is prime factorization?
400
1/2 and 2/4 are what kind of fractions?
What is equivalent fractions?
400
To find the least common denominator you must find the least common _____________.
What is multiple?
400
A number with a whole number and a fraction
What is a mixed number?
400
Rename these fractions to have a denominator of 42:
What is
400
Which word becomes shorter when you add 2 letters to it?
Short
500
The sum of fractions cannot be simplified if the numerator AND denominator are ______?
1/5 + 1/5 =
What are relative primes?
500
The difference of fractions can be simplified if the numerators are ___________?
What is composite?
500
When you multiply fractions, you multiply the numerators and do what to the denominators?
What is multiply?
500
When dividing fractions, you can ________ by the reciprocal?
What is multiply?
500
A fraction with the same numerator and denominator. 34/34
What is an equivalent form of 1?
500
What do you call the answer to a multiplication problem?
What is “the product”
500
I am an odd number. Take away a letter and I become even. What number am I?
Seven
600
4/8 + 2/3
What is 1 1/6
600
9/12-2/8
What is 1/2
600
Amy is playing salute, the dealer say 15, her partner has a 3 on her forehead. What is the missing number? Write a multiplication and division sentence to solve.
5 is the missing number
15 ./. 5= 3
5x3= 15
600
1/2 : 10
1/20
600
1/4= x/12
What is 3
600
Find the LCD for 1/4 and 1/6
12
600
I have a tail and a head, but no body. What am I?
A coin
700
2/10 + 3/10
What is 5/10
700
14 2/5 - 9 3/8
What is 5 1/40
700
Delina is playing salute, the dealer say 28, her partner has a 4 on her forehead. What is the missing number? Write a multiplication and division sentence to solve.
28 ./. 4= 7
7 x 4 = 28
700
10 : 1/2
20
700
2/5=x/10
What is 4
700
What is the LCD for 1/6 and 2/5?
30
700
Double it and multiply it by 4. Then divide it by 8 and you’ll have it once more. What number is it?
Any number. If a number is doubled and multiplied by 4, it’s actually been multiplied by 8, so dividing by 8 will get you the original number again.
800
What are the steps to solve: 3/6 + 1/4 ?
1.
2.
3.
4.
What are
1. Find a common denominator: ?/12 and ?/12
2. Add the numerators,
3. Check for common factors,
4. Simplify.
800
5/10 - 2/12
(Hint: simplify each fraction to make it easier)
What is 1/3
800
Ava is playing salute, the dealer say 48, her partner has a 8 on her forehead. What is the missing number? Write a multiplication and division sentence to solve.
48 ./. 8= 6
6x8= 48
800
You have 1/2 of a pizza. You need to divide it between 4 people. What fraction of a pizza will each person get?
Each person will get 1/8 of a pizza.
800
2/3 and 4/6.
Are these equivalent fractions?
How do you know?
Yes, when reduced by (?/?) or multiplied by (?/?) each fraction is the same.
800
What is the LCD for 7/9 and 5/6
18
800
Joey has a very big family. She has 20 aunts, 20 uncles and 50 cousins. Each of her cousins has an aunt who is not Joey's aunt. How is this possible?
Their aunt is Joey's mom