An association between two or more quantities is called?
a ratio
What is this?
ratio
True or False: When reading a ratio, the colon ":" is read as "to" ?
True
The ratio of circles to squares is?
3:6, 1:2, or 2:4
Arithmophobia is the fear of?
Numbers
A double number line is made to help identify _____.
Equivalent Ratios
What is this?
double line diagram
True or False: Double number lines do NOT have to be line up in order to use them.
FALSE!
What is the ratio of red paint to green paint?
3:2
What is this shape?
Octagon
The word "per" means?
For each
A real life example of a ratio might come from the kitchen. This is called a...?
recipe
True or False: Ratios are used everyday life.
TRUE! Used in recipes, color mixing, field trips, patterns, and many more.
Are these equivalent? 2:10 and 3:15
YES - the base ratio or smallest would both be 1:5. If you multiply by 2 you would get 2:10 and if you multiply by 3 you would get 3:15.
When counting numbers it goes: million, billion, and _____.
Trillion
The unit price is the cost of?
one item
What are these?
Fractions
True or False: When making an equivalent ratio, you only need to multiply one side of the ratio.
FALSE!! YOU MUST MULTIPLY BOTH SIDES!
This shows a double batch. How much would you need for a triple batch? (red to blue)
What number is not represented in Roman numerals? (I, II, III, IV, V, VI...)
0
How would you say this? - write in all words
two for three dollars
What is this?
a triple number line
True or False: Triple number lines do not exist because you would never have to compare 3 things at once.
FALSE!
You can compare thing things at once! Think of a field trip. There is a student to adult ratio. Then you can only have so many people on a school bus. So student to adult to total number.
A pizza party needs 3 pizzas for every 7 kids. If 21 kids show up, how many pizzas do you need?
9 pizzas
Find the area: (check your units)
364cm2