What is the first operation you should do?
3x4+3
multiplication
3x9+7
34
Place the missing parentheses to make this problem true:
8 + 12 ÷ 5 - 3 = 1
(8+12) ÷ 5 - 3 = 1
What is the second operation you should do?
5+6÷2x4
multiplication
12+36÷4
21
Place the missing parentheses to make this problem true:
7 x 4 - 1 - 7 x 2 = 7
7 x (4-1) - 7 x 2 = 7
John bought 3 pants for 25 dollars each, and 2 t-shirts for $10. He paid with a one hundred-dollar bill. Write a numerical expression to represent this situation and then find how much change John gets back from the cashier.
100-(3×25) + (2x10)
$5
What is the last operation you should do?
3- 4 x 3 + (8÷2)
addition
(14-12)x(10+2)+7
31
Place the missing parentheses to make this problem true:
6 + 3 x 2 - 5 + 7 - 1 = 13
6 + 3 x 2 - 5 + (7 -1) = 13
The decorating committee needs 3 balloons for each of 15 tables. They also need 20 balloons for each of the 4 walls of the room.
Write an expression to represent the total number of balloons they needed and determine the answer.
(3x15) + (20X4)=125
What is the fourth operation you should do?
3x6+(8-2+6)÷4
division
6x(4-1+2)-14÷2
2
Place the missing parentheses to make this problem true:
18 - 2 x 3 + 6 x 3 = 30
18 - 2 x 3 + (6 x 3) = 30
Sylvia bought 4 bananas for 50 cents each and 1 apple for 80 cents. Write a numerical expression to represent this situation and then find the total cost in dollars.
4×0.50+0.80
$2.80
What is the second calculation you should do?
7x6-[20-(5+12÷2)+3]÷4
5 + 6
(since the first step is 12÷2= 6)
16x[(30-2x10)÷5]-4x3+6
26
Place the missing parentheses to make this problem true:
9 + 12 ÷ 3 + 4 ÷ 2 + 1 x 2 = 11
(9 + 12) ÷ 3 + 4 ÷ 2 + 1 x 2 = 11