Fractions
Decimals
Rates, Ratios, and Proportions
Rational Numbers and Absolute Value
Operations with Negative Numbers
100

To add fractions with the same denominator, you keep the denominator and do this to the numerators.

What is add the numerators?

100

This place value is two places to the right of the decimal point.

What is the hundredths place?

100

A ratio compares two quantities using words like “for every”, as a fraction, or this symbol.

What is a colon (:) ?

100

Whole numbers and their opposites together are called these types of numbers.

What are integers?

100

A number and its opposite add up to this value.

What is zero?

200

When adding or subtracting fractions with different denominators, you must first find this.

What is a common denominator (or least common denominator)?

200

When multiplying a decimal by 10, 100, or 1,000, the decimal point moves in this direction.

What is to the right?

200

This rate tells how much there is for one unit, such as miles per hour or dollars per item.

What is a unit rate?

200

The distance of a number from zero on the number line is called this.

What is absolute value?

200

Adding a negative number moves left on a horizontal number line or this direction on a vertical one.

What is down?

300

This operation can be solved by multiplying by the reciprocal when using fractions or mixed numbers.

What is division of fractions?

300

Models such as base-ten blocks or area models are helpful when performing this operation with decimals.

What is multiplication (or division) of decimals?

300

If 3 notebooks cost $6, the cost per notebook is this unit rate.

What is $2 per notebook?

300

 Which number has the greater absolute value: –7 or 3?

What is –7?

300

Subtracting a number is the same as adding this.

What is the additive inverse?

400

A recipe uses 3/4 cup of sugar per batch. Making 2½ batches requires this much sugar.

What is 1⅞ cups? (15/8 cups)

400

A student calculates the total cost of 3 items priced at $2.75 each by multiplying decimals. This is an example of using decimal operations to solve this type of problem.

What is a real-world (contextual) problem?

400

This mathematical relationship exists when two ratios are equal and can be solved using tables, equations, or diagrams.

What is a proportion?

400

This is the quadrant in which the ordered pair (-3, -4) is located.

What is Quadrant III?

400

A negative times a negative results in this type of number.

What is a positive number?

500

This is how many many one-half–cup servings fit into three-fourths of a cup, written as a math problem

What is 3/4 ÷ 1/2?

500

This explains how both fractions and decimals can be used to represent the same quantity when researching a topic like sports statistics or money.

What is fractions and decimals are equivalent forms of rational numbers?

500

On a graph of a proportional relationship, the point (1, r) represents this important value.

What is the constant of proportionality (unit rate)?

500

A polygon is drawn using coordinates. The distance between two points with the same y-value is found by using this concept.

What is absolute value of the difference in x-values?

500

Changes in elevation, temperature, debt, or profit/loss over time can be modeled by this

What is multiplying or dividing negative rational numbers?