QUIZ Review !
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Transcript of QUIZ Review !
$100
AlgebraicExpressions
CircumferenceArea of a
CirclePan-Balance
ProblemsMiscellaneous
$200$300$400$500
$100$200$300$400$500
$100$200$300$400$500
$100$200$300$400$500
$100$200$300$400$500
Review Jeopardy
Which of the following is an algebraic expression?
9 + 6
n + 2 = 8
5 + n
5 + n
Chloe collected 10 more cans than Tammy. Write an algebraic
expression for the number of cans Tammy collected.
C - 10
Becky is 15 pounds less than Greg. Write an algebraic expression for
how much Greg weighs.
B + 15
Jamie has half as many cookies as her sister Meg. Write an algebraic expression that shows how many
cookies Jamie has.
½ x M
M ÷ 2
m/2
8h
Steve earns $8 an hour. Write an algebraic expression that shows how much money he makes in h hours.
What is the formula for finding the circumference of a circle?
C = π x d
or
C = 2 x r x π
What is circumference?
Circumference is the distance around a circle (a circle’s
perimeter).
What is the circumference of a circle that has a diameter of 5 ft.? Round to the nearest hundredth.
15.70 ft.
What is the circumference of a circle that has a radius of 4 in.? Round to the nearest hundredth.
25.12 in.
What is the circumference of a circle that has a radius of 12 cm.? Round to the nearest hundredth.
75.36 cm.
What is the formula for finding the area of a circle?
A = π x r²
What is the area of a circle that has a radius of 15cm.? Round to the
nearest hundredth.
706.50 cm²
What is the area of a circle that has a radius of 8in.? Round to the
nearest hundredth.
200.96 in²
What is the area of a circle that has a diameter of 10 in.? Round to the
nearest hundredth.
78.50 in²
What is the area of a circle that has an radius of 7 cm? Round to the
nearest hundredth.
153.86 cm²
One cube weighs as much as how many marbles?
11 marbles
One cube weighs as much as how many oranges?
3.5 oranges
One block weighs as much as how many marbles?
3 marbles
One block weighs as much as how many marbles?
2 marbles
Using the two pan-balances, solve the problems below.
1 coin = 2 clips
1 block = 4 clips
The wheels on Will’s bicycle have a diameter of 25 inches. About how far will he travel if the wheels go
around exactly once?
78.50 inches
50%
5%
What is the difference between an algebraic expression and an
algebraic equation?
Both contain variables, but the algebraic equation
contains an equals sign.
5%
Complete the “in” and “out” table.
Left column: 5
Right column: 28, 56, 84, 154
For the following situation, would you need to find the circumference,
perimeter, or area?
Jana needs to decide how much fence to buy to surround her rectangular
garden.
perimeter
Matt wrote an equation but covered one number. What is the covered
number?
10 + 7 = ? + 13
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FINAL JEOPARDY
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