CPM CC3 Chapter 2 Review

Flashcard
•
Mathematics
•
7th Grade
•
Hard
+4
Standards-aligned
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15 questions
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1.
FLASHCARD QUESTION
Front
What is the formula for the perimeter of a rectangle?
Back
The perimeter (P) of a rectangle is given by the formula P = 2(length + width).
Tags
CCSS.4.MD.A.3
2.
FLASHCARD QUESTION
Front
How do you solve for x in the equation 2x + 3 = 13?
Back
To solve for x, subtract 3 from both sides to get 2x = 10, then divide by 2 to find x = 5.
Tags
CCSS.7.EE.B.4A
3.
FLASHCARD QUESTION
Front
What does it mean to simplify an expression?
Back
Simplifying an expression means to reduce it to its simplest form by combining like terms and eliminating unnecessary operations.
Tags
CCSS.7.EE.A.1
4.
FLASHCARD QUESTION
Front
What are zero pairs in algebra?
Back
Zero pairs are pairs of numbers that add up to zero, such as (+x) and (-x). They can be removed from equations without changing the value.
Tags
CCSS.7.EE.A.1
5.
FLASHCARD QUESTION
Front
What is the value of x in the equation x + 4 = 10?
Back
To find x, subtract 4 from both sides: x = 10 - 4, so x = 6.
Tags
CCSS.6.EE.B.7
6.
FLASHCARD QUESTION
Front
What is the simplified form of the expression 3x + 5 - 2x - 1?
Back
The simplified form is x + 4.
Tags
CCSS.7.EE.A.1
7.
FLASHCARD QUESTION
Front
How do you determine the perimeter of a figure with sides of length x, 2, x, and 2?
Back
Add the lengths of all sides: P = x + 2 + x + 2 = 2x + 4.
Tags
CCSS.HSA.APR.A.1
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