Chapter 2.1
Recap - Equivalent fractions, decimals, and percentages
Review converting between fractions, decimals, and percentages.
Chapters14
Fractions to compound interest.
Time invested10.5 hrs
Approximate guided learning.
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Chapter 2.2
Adding and subtracting mixed numbers
Master addition and subtraction of mixed numbers and improper fractions.
Chapter 2.3
Multiplying mixed numbers
Learn efficient methods for multiplying mixed numbers.
Chapter 2.4
Dividing mixed numbers
Understand how to divide fractions and mixed numbers.
Chapter 2.5
Four operations with decimals
Perform all four operations with decimals accurately.
Chapter 2.6
Rounding to decimal places
Round decimal numbers to specified decimal places.
Chapter 2.7
Rounding to significant figures
Master rounding numbers to significant figures.
Chapter 2.8
Estimating calculations
Use rounding to estimate answers to complex calculations.
Chapter 2.9
Percentage of amounts (including >100%)
Calculate percentages including values greater than 100 percent.
Chapter 2.10
Percentage increase and decrease
Work with percentage changes in real-world contexts.
Chapter 2.11
Expressing one number as a percentage of another
Convert ratios and fractions to percentages.
Chapter 2.12
Reverse percentages
Find original amounts before percentage changes.
Chapter 2.13
Simple interest calculations
Calculate simple interest on loans and investments.
Chapter 2.14
Compound interest (introduction)
Understand and calculate compound interest.
Next steps
Move back to Section 1 for number skills or continue to Section 3 (Ratio & Proportion) after finishing these lessons.