7th Grade Math
Flashcard
•
Mathematics
•
7th Grade
•
Practice Problem
•
Hard
+7
Standards-aligned
Wayground Content
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15 questions
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1.
FLASHCARD QUESTION
Front
What is the formula for finding the circumference of a circle?
Back
The circumference (C) of a circle is calculated using the formula C = 2πr, where r is the radius.
Tags
CCSS.7.G.B.4
2.
FLASHCARD QUESTION
Front
What is the equation to find the number of teddy bears (t) a company needs to sell to cover its daily costs?
Back
The equation is 1500 + 8t = 12t.
3.
FLASHCARD QUESTION
Front
How do you write an algebraic equation for the situation where Joan has 51 seashells and gives some to Alyssa, leaving her with 45?
Back
The equation is 51 - x = 45, where x is the number of seashells given to Alyssa.
4.
FLASHCARD QUESTION
Front
What is the formula for finding the area of a circle?
Back
The area (A) of a circle is calculated using the formula A = πr², where r is the radius.
Tags
CCSS.7.G.B.4
5.
FLASHCARD QUESTION
Front
What does the inequality 10 ≥ x - 3 represent?
Back
It represents that x must be less than or equal to 13.
Tags
CCSS.7.EE.B.4B
6.
FLASHCARD QUESTION
Front
What is the value of the radius if the circumference of a circle is 43.96 inches?
Back
Using the formula C = 2πr, the radius r can be calculated as r = C/(2π) = 7 inches.
Tags
CCSS.7.G.B.4
7.
FLASHCARD QUESTION
Front
What is the relationship between the diameter and radius of a circle?
Back
The diameter (d) is twice the radius (r), so d = 2r.
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