Mental Math Strategy: Compensation in Subtraction
Interactive Video
•
Mathematics
•
4th - 7th Grade
•
Practice Problem
•
Hard
+2
Standards-aligned
Liam Anderson
FREE Resource
Standards-aligned
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8 questions
Show all answers
1.
MULTIPLE CHOICE QUESTION
30 sec • 1 pt
What is the main focus of the compensation strategy discussed in the video?
Addition
Multiplication
Division
Subtraction
Tags
CCSS.7.NS.A.1C
2.
MULTIPLE CHOICE QUESTION
30 sec • 1 pt
In the first example, what number is added to both the subtrahend and minuend to simplify the subtraction?
2
4
1
3
Tags
CCSS.2.NBT.B.5
3.
MULTIPLE CHOICE QUESTION
30 sec • 1 pt
What is the equivalent subtraction problem for 46 - 19 using compensation?
46 - 20
46 - 18
47 - 19
47 - 20
Tags
CCSS.2.NBT.B.5
4.
MULTIPLE CHOICE QUESTION
30 sec • 1 pt
In the second example, how much is added to the subtrahend 37 to make it a friendly number?
5
4
3
2
Tags
CCSS.2.NBT.B.5
5.
MULTIPLE CHOICE QUESTION
30 sec • 1 pt
What is the equivalent subtraction problem for 76 - 37 using compensation?
79 - 40
76 - 37
76 - 40
79 - 37
Tags
CCSS.1.NBT.C.4
CCSS.2.MD.B.6
6.
MULTIPLE CHOICE QUESTION
30 sec • 1 pt
In the third example, what adjustment is made to the subtrahend 42 to simplify the subtraction?
Subtract 3
Add 3
Subtract 2
Add 2
Tags
CCSS.2.NBT.B.5
7.
MULTIPLE CHOICE QUESTION
30 sec • 1 pt
What is the equivalent subtraction problem for 91 - 42 using compensation?
89 - 40
89 - 42
91 - 42
91 - 40
Tags
CCSS.2.NBT.B.7
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