Equations and Negative Stuff
What is the difference between an EQUATION and an INEQUALITY?
Explain
Equation has =
Inequality has < >
5 and 2/3 + 3 and 1/5
8 and 13/15
Subtract: 5 - 1.6
3.4
9.9 X 99
980.1
A "Variable" is represented by a ______ in math?
A letter or symbol
Solve for a:
10a + 3 = 13
a = 1
When + and - fractions, why can you never + or - the bottoms (denominators)
*Must Explain
The denominators are what they ARE
1/2 pizza + 1/2 pizza CANNOT be 2/4 (1/2) of a pizza.......
What is 100.001 as a fraction?
100 and 1/1000
9.05 X .12
1.0860
What are the factors of 18?
1,2,3,6,9,18
Solve for w:
12w - 30 = 102
w = 11
Subtract: 10 (Wholes) - 3 and 5/7
6 and 2/7
16.55 divided by 5
3.31
3 X 2/5
1 and 1/5
Supplementary angles add to how many degrees?
180
"Negative 503 is greater than Negative 100"
True or False?
*Must explain
False
-503 is a smaller value because it is further from 0
Subtract: 5 and 1/2 - 3 and 2/3
1 and 5/6
How can you turn a fraction into a decimal?
(Must explain)
*Try to multiply to make the denominator
10, 100, 1000
or Top divided by bottom "Top in the box"
3/4 X 2/5
(Must be simplified)
3/10
If a rectangle is 245 feet long and 36 feet high, what is the AREA??
8,820 square feet
Solve for X:
2.2x - 6.7 = 39.5
X = 21
*Difficult
-10 and 2/7 - -4 and 1/2
("Negative 10 and 2/7 minus Negative 4 and 1/2")
-5 and 11/14
0.234 X 0.23
What is answer as a FRACTION
(hint: "if you can say it, you can write it")
0.05382 = 5,382/100,000ths
3 and 3/5 X 2 and 1/2
(Must be simplified)
9
Add: 2/3 + 4/7
1 and 5/21