Number Lines
What is absolute value?
The value of a number.
In what direction do you move on the number line when you are adding?
To the right.
What should you do when you add/subtract fractions?
Find the common denominator.
What do you have to do when you multiply fractions?
Multiply straight across.
What acronym is used when simplifying fractions?
GCF (Greatest Common Factor)
What is the absolute value of -15?
15.
In what direction of the number line do you move when you are subtracting?
To the left.
What should you do when you add/subtract decimals?
Line up the decimals.
What do you do when you divide fractions?
Keep, Change, Flip.
How do you find GCF?
List out the factors of 2+ numbers and find the biggest number they have in common.
What are opposite numbers?
The same number on opposite ends of zero.
Solve: -5 + -2
-7
What would the common denominator be for 1/5 + 1/2?
10
What do you do when you multiply decimals?
Multiply like normal and count the decimal jumps in the end for your final answer.
If the numerator and denominator of a fraction are even, what number can you automatically divide them by?
2
What side of the number line can you find positive numbers?
To the right of zero.
Solve: -1 + 8
7
Where does the decimal go in a whole number?
After the number in the one's place.
What is the first step to dividing decimals?
Make the divisor (outside number) into a whole number by moving the decimal.
How do you know when you are finished simplifying a fraction?
When their GCF is 1.
What side of the number line can you find negative numbers?
To the left of zero.
Solve: -13 + 2
-11
What are the two ways to find the common denominator?
List out the factors and multiply the given denominators together.
Finish the sentence: whatever you do to the outside of a decimal division problem...
...you should do the same on the inside of the division problem.
What should we do at the end of each problem involving a fraction?