Identify the base in the following expression:
3^6
3
100
3 + (5 x 6)
First step?
(5 x 6)
100
Identify the exponent in the following expression:
2^6
6
100
Nicole has 4 bags of marbles. Each bag has 3 marbles. Her brother then gives her 6 additional marbles. Write an expression and evaluate.
4 x 3 + 6 = 18
200
(12 + 4) / 2 - 3
5
200
Write the power as a product
7^4
7 x 7 x 7 x 7
200
22 / 11 x 3
Second step?
2 x 3
200
What is the acronym for order of operations, and what does each letter stand for?
PEMDAS
P = parentheses, E = exponents, M = multiplication, D = division, A = addition, S = subtraction
200
Burgers cost $5.00, fries cost $3.00, and drinks cost $2.00. Tim orders 4 burgers, 2 fries, and 3 drinks. Write an expression and evaluate how much he spent.
(5 x 4) + (3 x 2) + (2 x 3) = $32.00
300
5^2 - (13+6) + 12
18
300
Evaluate the following expression
6^3
216
300
78 - 3^2 x 5
Second step?
9 x 5
300
What operation would come first in this expression and why?
27 / 3 x 12
Division, because it appears first in the expression, going left to right
300
Insert grouping symbols in the following expression to make it equal to 55:
13 + 2 x 3 + 10
(13 + 2) x 3 + 10
400
[8 x (2 + 10) / 6] - 13
3
400
Write the expression below using exponents
3 x 3 x 3 x 3 + 9 x 9 x 9
3^4 + 9^3
400
[18 / 3^2 + (5 - 3)^3] x 7
Last step?
What is 10 x 7
400
Which is the correct answer to this expression?
(20 / 4 x 5) + 12 - 4 x 3
25 or 1
25
400
A class of 24 students is divided into groups of 4 to work on a project. Each GROUP receives 3 pieces of paper from the teacher: an assignment sheet, a rubric, and a worksheet. How many sheets of paper does the teacher pass out? Write an expression and evaluate
(24 / 4) x 3
500
[14 / (7 + 3 - 8) x (6 + 4)] - 15
55
500
Evaluate:
7^2 + 3^4
130
500
[(15 - 9) + 4 x 4^2] - (4 + 2 x 8)
Evaluate.
50
500
For every day that the whole math class turns in their homework, the teacher gives out 2 extra credit points. For every day that less than half the class turns in homework, the teacher takes away 2 points. If the class has 5 days where everyone has turned in their homework and 2 days where less than half the class has done so, how many points have been earned?
(5 x 2) - (2 x 2) = 6 points
500
You have two savings accounts and a checking account. Two of the accounts have exactly $550.00 in them. The third has $620.00. If you make a $45 withdrawal on Monday and a $69.00 deposit on Friday, how much money do you have at the end of the week in all of your accounts? Write an expression and evaluate.