Adding/Subtracting Positives and Negative Numbers
(-4) + (8-3) - 2 = ?
-1
Multiplying a negative and a negative will result in a positive or negative number?
Positive Number
What is the lowest common denominator for 1/6 and 5/9?
18
14⁄3 ÷ 2 = ?
7/3 or 2 ⅓
Which way on your number line do you move when you subtract a negative number?
To the right
Multiplying 11 negative numbers together will result in a positive or negative number?
Negative Number
1 ½ + ¾ - ⅓ = ?
23/12 or 1 11/12
What is the first thing you are supposed to do when dividing a fraction?
Multiply the reciprocal of that fraction
What is another way to express -22 + 34?
34 - 22
12 x (36 ÷ (-6) x 2 ÷ (-4) x 3) = ?
108
Convert 34/4 to a mixed number
8 ½
What is the difference between cross canceling and cross multiplying?
Cross canceling helps us simplify our numbers before we multiply. Cross multiplication is a way that we can divide fractions.
4 + (-16) - (-1) + (-1) - (-13) +17+ (-18) - (-15) = ?
15
Name all 4 of the positive/negative combinations that will ALWAYS produce a positive number when multiplying and dividing
Positive x Positive
Negative x Negative
Positive ÷ Positive
Negative ÷ Negative
What are the two ways to handle mixed numbers when you need to add/subtract them?
Convert to improper fractions
Deal with whole numbers and fractions separately
8 (1/4) x (2/3) ÷ (44/18) + (10/12) = ?
37/12 or 3 1/12