Concepts
What symbol do you draw to show that a number is a repeating decimal?
You draw a little bar above the repeating digits.
Example:
0.333333... text( becomes ) 0.bar3
Evaluate: 5 - (-6)
5 + 6 = 11
Subtracting a negative number turns the whole expression into simple addition.
Evaluate and simplify:
2/9 + 4/9
2/9 + 4/9
= 6/9 = 2/3
What is...
1/5
...as a decimal?
1/5 = 0.2
What school did Mr. J teach at before Alma?
City on a Hill
Also known as "Keep Change Flip", this is the technical math term used when dividing fractions.
Reciprocal
(Spelling/pronunciation doesn't have to be perfect)
Evaluate:
-14 - 8
-14 + (-8)
= -22
Red + MORE RED
What is the absolute value of...
-18/27
...in simplest form?
|-18/27| = (18/9)/(27/9) = 2/3
A hamburger costs $8.60
I only have $5.50
How much more money do I need?
8.60 - 5.50
= $3.10 more
What degree did Ms. Wong earn in college?
German
(Also acceptable: Business)
(Will not accept "Language"; not specific enough)
How do you convert a fraction into a decimal?
Divide the numerator by the denominator (sometimes even using long division).
How many units apart are -26 and 4 on a number line?
30 units
Evaluate:
-2 1/4 * 1/6
-9/4 * 1/6
= -9/24 = -3/8
OR -3/4 * 1/2 = -3/8
10 boxes of tissues cost $15.20
How much is just one box of tissues?
15.20/10 = 1.52
It costs $1.52 per box
What are the first three multiples of 13?
13, 26, 39
(optional: 52, 65, 78, 91, ...)
Why do we always have to simplify our fractions?
To make them easy to communicate to others.
(Think of the Home Depot employee)
In the following expression, is the final answer going to be positive or negative:
-12(-4) * 3(-5/2)
Negative.
(You don't actually have to crunch these numbers to figure it out!)
Simplify this improper fraction, then convert it into mixed:
88/40
88/40 = 11/5
5 goes into 11 twice, with 1 left over:
11/5 = 2 1/5
A lightbulb costs $11.25 each. I buy four bulbs. How much do I pay?
4 xx 11.25= $45
What is the full name of "Bristol Aggie"?
Bristol County Agricultural High School
Is -4.6 greater than or less than -4.5? Why?
-4.6 is less than -4.5, because you're EVEN MORE left on the number line.
Evaluate:
-5(8 + 6 xx 2)
-5(8 + 12)= -5(20)
= -100
Carly has a ribbon that's
1 1/2
feet long. She snips 1/6 feet off the end. How much ribbon is left? Give your answer as a mixed number in simplest form.
1 1/2 - 1/6
= 3/2 - 1/6
9/6 - 1/6
= 8/6
= 4/3 = 1 1/3 ft
The temperature in the morning started at 4.5 degrees. It rose by 1.4 degrees during the afternoon. Then it dropped by 5.2 degrees by night. In degrees, what was the final temperature?
4.5 + 1.4 - 5.2
= 5.9 - 5.2
= 0.7 degrees
What is the name of the green stuffed octopus in class?
Olivia