Calculator Achievement- Index
Placement Test
Unit 1

Addition, Subtraction, Multiplication, and Division

Unit 2

Fractions, Decimals, and Rulers

Unit 3

Percentage Problem-Solving

Unit 3: Percentage Problem-Solving

  • Introduction to Percentage Problem-Solving01:41
  • 43Using Percent01:38
  • 44Finding a Percent of a Number (1 of 2)02:38
  • 44Finding a Percent of a Number (2 of 2)02:36
  • 45Using Fractional Percents04:21
  • 46Relationships Between Fractions, Decimals, and Percents03:38
  • 48Figuring Fraction and Percent Sales Prices with Memory Keys01:59
  • 49The Percent Circle (1 of 2)03:10
  • 49The Percent Circle (2 of 2)05:06
  • 50Percent Problems: Finding Part of the Total03:30
  • 51Finding What Percent the Part is of the Total (1 of 2)02:15
  • 51Finding What Percent the Part is of the Total (2 of 2)03:11
  • 52Finding the Total When Part and Percent are Given02:32
  • 53Mixed Percent Problems (1 of 2)04:36
  • 53Mixed Percent Problems (2 of 2)03:53
  • 54Simple Interest04:59
  • 55Calculator Review04:44
  • 56Calculator Review04:06
Calculator Achievement-Figuring Fraction and Percent Sales Prices with Memory Keys

Buying Rolex watches: 1 watch costs $2,900 and another costs $8,750. Sales tax is 7¼%. Discount is 25%. What is the total cost for both?