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Operations with Rational Numbers Flashcards | StudBud
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Operations with Rational Numbers
Operations with Rational Numbers
20 terms
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StudBud Administration
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Math
Flashcards
20 cards
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Practice quiz
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Questions
20
Answers
1
What do you need to do FIRST when multiplying mixed numbers?
You need Common Denominators
Convert the mixed numbers to improper fractions.
Keep change change
Keep change flip
2
What do you need to remember when adding integers?
Keep Add Opposite
Same signs? Add and keep. Different signs? Subtract.
Two negatives make a positive
Mister M.D.
3
How many D.A.Ds should be in the final answer?
3
1
0
2
4
What do you need to remember when adding decimals?
Line up the decimals
You need Common Denominators
Convert the mixed numbers to improper fractions
Count the D.A.D.s
5
How do you convert a Mixed Number to an Improper Fraction?
Multiply denominator times whole number, subtract numerator
Multiply numerator times denominator, add the whole number
Multiply denominator times whole number, add the numerator
Multiply numerator times whole number, add the denominator
6
Solve and simplify.
31/40
7/9
1 and 11/20
31/20
7
What do you need to remember when subtracting integers?
Same signs? Add and keep. Different signs? Subtract.
Two negatives make a positive
Keep Add Opposite
Mister M.D.
8
What is different about multiplying fractions?
You don't need Common Denominators
Keep change flip
Line up the decimals
Keep change change
9
What do you need to do FIRST when dividing mixed numbers?
Keep change change
Convert the mixed numbers to improper fractions.
Keep change flip
You need Common Denominators
10
If you don't need common denominators, what should you do?
Multiply the denominators together.
Simplify your answer.
multiply the numerators together.
All of the above.
11
What TWO things do you need to remember when subtracting fractions?
Keep change change, then Line up the decimals
Keep change and flip
KCC and Convert the mixed numbers to improper fractions
Keep change change, then You need Common Denominators
12
What do you need to remember when multiplying decimals?
Count the D.A.D.s
Keep change and flip
Keep change change
Line up the decimals
13
What TWO things do you need to remember when subtracting decimals?
Keep change change, then Line up the decimals
KCC and Convert the mixed numbers to improper fractions
Keep change change, then You need Common Denominators
Keep change and flip
14
What do you need to do FIRST when adding mixed numbers?
Line up the decimals
Flip the second fraction
You need Common Denominators
Convert the mixed numbers to improper fractions
15
What TWO things do you need to remember when subtracting mixed numbers?
Keep change change, then You need Common Denominators
Keep change change, then Line up the decimals
KCC and Convert the mixed numbers to improper fractions
Keep change and flip
16
How should you divide decimals?
Put the second number in the dog house
Line up the decimals
Put the first number in the dog house
Count the D.A.D.s
17
What do you need to remember when adding fractions?
Line up the decimals
Convert the mixed numbers to improper fractions
Flip the second fraction
You need Common Denominators
18
What do you need to remember when dividing fractions?
Keep Multiply Flip
You need Common Denominators
Keep Change Change
Keep Change Flip
19
After converting the mixed numbers to improper fractions, what should you do NEXT?
Keep Change Flip
Keep Multiply Flip
You need Common Denominators
Keep change change
20
Solve and Simplify.
4 and 11/20
34/9
91/20
3 and 7/9
