PEMDAS
What is the first step in evaluating the expression
(12.9 - 3.1) × 6.2 - 2 + 43
Subtract 3.1 from 12.9.
Find 1 1/4 x 5 3/5
7
What is the exponent for the expression 6 × 6 × 6 × 6 × 6
65
LCM for 15 and 5
15
Divide
23,358/34
687
Evaluate the expression 43 + [(96 ÷ 8) × 5] - 42
82
solve:
1/2 divided by 3/4
2/3
Evaluate 29
512
What is the greatest common factor of 12 and 54?
6
The librarian purchased 22 copies of a best-selling book for $385.66. How much did each copy of the book cost?
$17.53
After a hike, a group of s students shares 5 boxes of granola bars equally. Each box has 8 granola bars. Which algebraic expression represents how many granola bars each student can have?
(5 × 8) / s
Solve:
2 1/4 divided 3/4
36/12 or 3
Caleb started with 50 bacteria for his science experiment, and the number of bacteria doubled in one day. Jenna also started with 50 bacteria for her experiment, and after one day the number of bacteria was equal to 50 to the second power. How many bacteria did Caleb and Jenna each have in their experiments after one day?
Caleb: 100 bacteria; Jenna: 2,500 bacteria
What is the LCM of 3 and 7?
21
Lynn paid $12.21 for ribbon. The cost per yard was $1.48. How many yards of ribbon did Lynn buy?
$8.25
Conrad has 6 more marbles than Rory has. Let r represent the number of marbles that Rory has. Write an expression that represents the number of marbles that Conrad has.
r + 6 or 6 +r
Write a multiplication expression that you can use to find:
16 divided by 4/5
16 x 5/4
15.5 × [(2 × 2.4) + 3.2] - 24 = _______
108
Select all the prime numbers.
3 9 13 23 33
3 13 23
Kari wins 1,282 tickets at an arcade. For each group of 65 tickets, she will receive a prize. Kari solves the problem 1,282 ÷ 65 and determines that she has enough tickets right now for 19 prizes. What is the least number of additional tickets that Kari needs to win to have enough tickets for a 20th prize?
18 more tickets
Identify each part in the expression 8b + 3.2.
Variable ____________
Coefficient ____________
Constant numerical value ____________
b
8
3.2
2 5/8 x 3 1/4
35/4 or 8 3/4
Nicole bought 6 pounds of apples at $1.50 per pound. The store gave a discount of $2 off the total purchase. Nicole and her friend then divided the cost of the purchase equally. Insert grouping symbols in the numerical expression so that it shows how much Nicole and her friend each paid for the apples.
(6 ×1.50) - 2 / 2
Write the expression that uses the Distributive
Property to find 66 + 24 + 78
6(11 + 4 + 13)
Divide
45.85/5
9.17