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- 1. Multiple ChoiceWhat must you have to add and subtract fractions?Common numeratorsDifferent numeratorsDifferent denominatorsCommon denominators
- 2. Multiple ChoiceWhat number could be a common denominator for these two fractions?
1/5 and 5/6?301165 - 3. Multiple ChoiceWhat number could be a common denominator for these two fractions?
2/3 and 3/434712 - 4. Multiple Choice
Is this a correct answer?Yes, the student correctly added.No, you cannot add unlike denominatorsNo, 5 + 7 is not 12No, 2 + 3 is not 5 - 5. Multiple ChoiceWhat is the first step in solving this problem?
⅘ + ½ =Add the top parts of the fractionRewrite the fractions in the simplest form.Find a common denominator.Make each fraction into an improper faction. - 6. Multiple ChoiceWhat is the the next step to finding this answer?Add the numerators (1+1=2)Multiply 12 X 1 for both fractions to find a new numeratorMultiply to find each new numerator by the multiple used to get 12. (3 X1) (4 X 1)This is a mistake, you don't need to convert to twelfths
- 7. Multiple ChoiceJoe has listed the first 4 multiples of 7 as:
7 14 22 28
Which one is incorrect?7142228 - 8. Multiple Choice
What is the best Common Denominator for the Given Problem?
48
24
- 9. Multiple Choice
What is the difference of the given problem?
- 10. Multiple Choice
Following the integer rules, would you add or subtract the fractions?
add
subtract
- 11. Multiple Choice
Following the integer rules, would you add or subtract the fractions?
add, the answer would be positive
add, the answer would be negative
subtract, the answer will be positive
subtract the answer will be negative
- 12. Multiple ChoiceWhich are the correct steps for rewriting a subtraction problem into addition?1) Keep first number the same
2) Keep Subtraction sign
3) Change second number to opposite1) Keep first number the same
2) Change Subtraction into Addition
3) Change second number to opposite1) Change the first number into the opposite
2) Change Subtraction to Addition
3) Keep second number the same1) Change the first number into the opposite
2) Change Subtraction to Addition
3) Change second number to opposite - 13. Multiple Choice
(Choose one that is true) When you add or subtract fractions with unlike denominators you..
Add both the numerators and denominators
Change the denominator by picking a random number then divide
Find the least common multiple of both denominators
none of these are true
- 14. Multiple Choice
- 15. Multiple Choice
3/10 - (-1/4)
11/20
3/15
15/20
3/4
- 16. Multiple Choice
(-7/8) + 1/3
-13/24
-11/24
11/12
12/24
- 17. Multiple Choice
(-1/15) + (-3/5)
-2/3
2/3
1/4
-1/4
- 18. Multiple Choice
3/8 - (-1/4)
5/8
3/4
4/8
-5/8
- Answer choicesTagsAnswer choicesTags