What are the four operations?
Add, Subtract, Multiply, and Divide
?/36 = 5/9
20
Round to the tenths place: 1.972
2
2.000
What are the 3 steps for order of operations in 5th grade?
1. Parenthesis
2. Multiply and Divide
3. Add and subtract
Is the following an expression or equation?
3a - 2
Expression
What type of problem would you NOT be able to solve for the variable?
expression
3/4 + 1/8 =
Simplify your answer.
7/8
Order from least to greatest:
4.109, 4.091, 4.901, 4.001
4.001, 4.091, 4.109, 4.901
If there is an addition and subtraction symbol in the same problem, how do you know which to solve first?
move left to right.
Read it like a book (left to right)
Solve for f:
4f = 24
f = 6
What kind of problem is it called when you CAN solve for a variable?
Equation
Simplify:
72/90
8/9
Order from greatest to least:
0.123, 4/5, 0.321, 0.81
0.810, 4/5, 0.321, 0.123
69 + 40 - 65 - 16 + (8 x 6)
76
Solve for g:
g / 3 = 9
g = 27
How do you know what operation to use in order to solve for a variable?
Use the INVERSE operation
2 xx 2/7
4/7
2.34 x 7.8
18.252
1 + (10 x 5 x 2 x 4 - 1) / 80
5
Solve for h:
12 + 2h = 28
h = 8
What is it called when a set of number follow a specific order?
(HINT: Think of the Kahoot from last week)
A Sequence
Subtract the fractions: 11/14 - 1/2
2/7
Order in ascending order:
2/3, 4/8, 7/9, 0.657
4/8, 0.657, 2/3 7/9
5 x (8 + 81 +53 x 7) +38
2,338
Solve for j:
4j - 5 = 11
j = 4