Week 33 Warm-Ups

Match the following decimals to an equivalent fraction or percent.

• 0.4

• 0.08

• 0.2

• 20%

• 0.68

• 0.625

The ratio of angelfish to tetras in a fish tank is 5:8. If there are 52 TOTAL fish in the tank, how many are tetras?

Mathematical Equivalence

ON

Place the following rational numbers in order greatest to least.

• 12.72

• -12.72

• -1.272

• 1.272

• 0

An ​additive relationship will always form a ​straight line on a graph that ​ (a)   cross the origin.

An example of an additive equation is ​ (b)  

A multiplicative relationship will always for a straight line on a graph that ​ (c)   cross the origin.

An example of a multiplicative equation is ​ ​ (d)  

• does not
• does
• might
• might not

• greater than
• equal to
• less than

The star on top of this Christmas tree is located inside which quadrant of the coordinate plane?

• Quadrant I

• Quadrant II

• Quadrant III

• Quadrant IV

Match the following inequalities with the graph of their solution

• 
• 
• 
• 

Match the following models with an equivalent expression. Use the key provided.

• 
• 
• 
• 

Groups:

(a) Equivalent

,

(b) Not Equivalent