Justifying Equalities and Equations Using Properties of Operations
Authored by Anthony Clark
Mathematics
6th Grade
CCSS covered
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20 questions
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1.
MULTIPLE CHOICE QUESTION
1 min • 1 pt
Solve the equation.
19 = p + 5
14
p = 24
p = 14
p = -14
Tags
CCSS.6.EE.B.7
2.
MULTIPLE CHOICE QUESTION
1 min • 1 pt
Summarize how you solve the equation below.
Subtract 12 from both sides of the equation. (take 12 from the 12 +x side and take 12 away from 50)
Subtract 12 from the right side of the equation. (just take 12 away from the 12 + x side)
Subtract 50 from both sides of the equation. (take 50 away from the 12 +x side and 50 away from 50)
Combine 50 and 12
Tags
CCSS.6.EE.B.7
3.
MULTIPLE CHOICE QUESTION
1 min • 1 pt
Solve the equation
c - 21 = 45
66
62
24
none of the above
Tags
CCSS.6.EE.B.7
4.
MULTIPLE CHOICE QUESTION
1 min • 1 pt
Solve the equation
y + 8.3= 12.7
28
21
4.2
4.4
Tags
CCSS.6.EE.B.7
5.
FILL IN THE BLANK QUESTION
1 min • 1 pt
What is the reason for step 2
(a)
Tags
CCSS.HSA.REI.A.1
6.
FILL IN THE BLANK QUESTION
1 min • 1 pt
What is the reason for step 3
(a)
Answer explanation
you're just combining like terms; that's NOT addition property.
It's simplifying the problem, or, more technically, substitution.
Tags
CCSS.8.EE.C.7B
7.
FILL IN THE BLANK QUESTION
1 min • 1 pt
Match the expression to the property listed that is being shown. You may use them more than once.(Type your 5 letters lower case and with no spaces in between like: abcab)
(a)
Tags
CCSS.6.EE.A.3
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