
Exploring Rational Expressions: Addition and Subtraction Techniques

Interactive Video
•
Mathematics
•
6th - 10th Grade
•
Hard
+5
Standards-aligned

Olivia Brooks
FREE Resource
Standards-aligned
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10 questions
Show all answers
1.
MULTIPLE CHOICE QUESTION
30 sec • 1 pt
What are the main topics covered this week?
Solving algebraic equations
Adding and subtracting rational numbers
Multiplying and dividing rational numbers
Graphing linear equations
Tags
CCSS.7.NS.A.1C
2.
MULTIPLE CHOICE QUESTION
30 sec • 1 pt
How do you determine the sign of the result when multiplying or dividing rational numbers?
By the number of positive numbers
By the number of negative numbers
By the sum of the numbers
By the product of the numbers
Tags
CCSS.7.NS.A.2A
3.
MULTIPLE CHOICE QUESTION
30 sec • 1 pt
When multiplying decimals, should you line up the decimal points?
No, never
Yes, but only for whole numbers
No, only when adding or subtracting
Yes, always
Tags
CCSS.5.NBT.B.7
4.
MULTIPLE CHOICE QUESTION
30 sec • 1 pt
What should you do to the divisor when dividing decimals?
Move the decimal point to make it a whole number
Leave it as it is
Add a zero to the end
Subtract a zero from the end
Tags
CCSS.5.NBT.B.6
CCSS.6.NS.B.2
5.
MULTIPLE CHOICE QUESTION
30 sec • 1 pt
Do you need a common denominator when multiplying fractions?
No, never
No, only when adding or subtracting
Yes, always
Yes, but only for mixed numbers
Tags
CCSS.5.NF.B.6
6.
MULTIPLE CHOICE QUESTION
30 sec • 1 pt
What is the first step when multiplying mixed numbers?
Find a common denominator
Convert them to improper fractions
Add the fractions
Divide the fractions
Tags
CCSS.5.NF.B.6
7.
MULTIPLE CHOICE QUESTION
30 sec • 1 pt
What does 'keep, change, flip' refer to?
Dividing fractions
Adding fractions
Subtracting fractions
Multiplying fractions
Tags
CCSS.6.NS.A.1
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