Number Lines

Refer to the double number line.

If Kim makes 8 loaves of bread, how many cups of raisins did she use?

• 4

• 12

• 16

• 24

How long would it take 12 people to go down the slide?

• 1 min
• 2 min
• 3 min
• undeterminable

• 97 m
• 80 m
• 84 m
• 105 m

21. Optimus Prime is using a double number line to determine the amount of raisins he will use for a raisin bread recipe.
  If he uses   9 cups of raisins, how many loaves will he make?

• 4
• 5
• 6
• 7

If I have the following ratio, do I need to scale up or down?
1                 2
---  =         ----
3               ?

• up (multiply)
• down (divide)

Using TWO number lines to describe equivalent ratios

• double number lines
• coordinate plane
• ratio table
• equation

equivalent rates

• Uses factor pairs to find the prime factorization of a number.
• A product of repeated factors
• Two rates that describe the same relationship

double number line → A model that is made up of two number lines used to represent the equivalence of two related numbers.

• True
• False

Which one is a real life example of a RATIO?

• 12 noodles
• 4 meatballs : 1 cup of sauce
• 1 jar of sauce
• 15 desserts

If a ratio is 2:3, how many parts are there in total?

• 2
• 3
• 4
• 5