MathCastle
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Grade 4

Foundations

Multi-digit arithmetic, fractions as equal-sized pieces, decimals to hundredths, and the first look at angles and data.

8 topics · 49 lessons about 21 hoursNo prerequisites

What you'll be able to do

  • Multiply and divide multi-digit numbers with the area model and long division
  • Compare, add and simplify fractions
  • Read decimals, angles and line plots

Start the course

Go through each topic step by step — prose, worked examples, quick checks, and a timed practice round after every section.

Every test ends with a score by topic and a list of what to revisit. Test out of a topic with 80% or better to mark it mastered.

Topics

1.

Multi-Digit Multiplication

7 lessons

Breaking numbers apart to multiply

2.

Long Division

6 lessons

Quotients and remainders

3.

Equivalent Fractions

6 lessons

Simplifying to lowest terms

4.

Adding Fractions

6 lessons

Same denominator, then different

5.

Decimals to Hundredths

6 lessons

Tenths, hundredths and lining up the point

6.

Factors and Multiples

6 lessons

What divides evenly

7.

Angles

6 lessons

Measuring and classifying turns

8.

Line Plots

6 lessons

Showing data with dots