Exponents
84
What is the base? What is the exponent?
Base: 8
Exponent: 4
What is the formula for area? (50 pts.)
What is the formula for volume? (50pts.)
a=lw
v=lwh
What does each letter in PEMDAS stand for?
Parenthesis
Exponents
Multiplication/Division
Addition/Subtraction
Solve using distribution
8(2x+4)
16x+32
4+x
Write 75 in expanded form
7x7x7x7x7
See drawing on board.
Find the area.
10ft.2
What's the first step to solve the following problem?
14-(10÷ 2)+42
Parenthesis
Find the GCF: 4x+8
4(x+2)
6C
34 simplified is
81
Find the volume of the shape on the board
76.88 inches3
Solve:
14-(2x5)+9x23
76
Distribute: x(3+2y)
3x+6xy
4 more than John's markers.
4+m
63 simplified is? Explain why.
216, because 63 is really 6x6x6, and 6x6 is 36, and 36x6 is 216.
Ms. R is building a pen for her pet goat. The pen is going to be a square. One side of the pen is 8 feet long. What will the area of the pen be?
64ft.2
Solve:
4+2-3+(5x6)÷ 2
18
Find the GCF: 2x+6x
2x(1+3)
3 years less than Bryan's age.
b-3
1/3 3 is equivalent to______? Why?
1/27
Find the volume of the following cube on the board.
*HINT* V=s3
V= 729cm3
Dana and Daisy have to solve similar problems. They both get the same answer of 25. Who is correct?
Dana: (63+18)÷9+42
Daisy: 63+(18÷9)+42
Dana is correct
Lee and Jacob both evaluated 5(10+2). Lee said to multiply the factor 5 and 12. Jacob said to multiply 5 and 10 and add it to the product of 5 and 2. Show how both solved. Who was right?
4 more than twice as many brownies.
4+2b