Spiral STAAR Review

When adding/ subtracting fractions can denominators be different?

• Yes,

  the denominators can be different

• No,

  you have to find common denominator/ make the denominators the same

• May be, depends on the question

How to multiply fractions?

• multiply numerator with denominator

• straight cross only numerators

• Straight across numerator with numerator and denominator with denominator

What method can you use when dividing fraction?

• KCF

  keep, change, flip

• RDCR2A chart

• change the inequality sign

What are the decimal forms of these fractions: 1/2, 1/4, 3/4?

• 0.35, 0.25, 0.5

• 0.5, 0.25, 0.75

• 0.25, 0.15, 0.20

When solving an equation or inequality word problem the words "every", "each", "per" mean what?

Example: $20 every month, 5 miles per hour, etc.

• multiply the number with the variable

• keep the number as it is

• i don't know

When solving a word problem the words "descending", "withdraw", "receding", "reduced", "how many more", etc indicate which operation?

• addition

• multiplication

• subtraction

20% of 40

• 8

• 80

• 800

Simple Interest formula

• T=PRI

• I=PRT

• I=SRT

Scale factor formula

• SF = New/ OG or Actual/ Scale

• SF = New - OG/ OG

• SF = New/ OG - New

Percent change formula

• (New-OG)/OG

• (New/OG)-OG

• New/OG