Grades 4 to 5 ยท 8 lessons
Decimals and place value
Free decimals and place value course for grades 4 and 5. Eight lessons: place value, tenths and hundredths, number lines, rounding and money.
Each lesson has one idea, one worked example, practice questions and one puzzle. Work through the list in order, or jump to the lesson you need. Every lesson has a matching practice page with ten more questions and answers.
All eight lessons are ready. Start with lesson 1, and use the practice page after each lesson to check that the idea has sunk in.
Lessons
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Place value to thousands
Ones, tens, hundreds and thousands, and what each digit is worth.
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Tenths and hundredths
What the decimal point does, and the first two decimal places.
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Decimals on a number line
Place tenths and hundredths between whole numbers.
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Comparing decimals
Compare decimals place by place, from the left.
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Rounding whole numbers
Round to the nearest ten, hundred or thousand.
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Rounding decimals
Round to the nearest whole number or tenth.
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Adding and subtracting decimals
Line up the points, then add or subtract place by place.
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Decimals and money
Dollars, cents, prices and change.
What you will learn
The course starts with whole-number place value to thousands and the zeros that hold a place. Then it moves right of the decimal point: tenths, hundredths and decimals on a number line. Next you compare and round decimals and whole numbers. The last lessons add and subtract decimals with the points lined up, and finish with money, where decimals turn up every day.
How to use the course
- Read one lesson. It takes about five minutes.
- Study the worked example and the diagrams.
- Answer the five "Try it" questions and check your answers.
- Open the practice page for ten more questions.
- Move to the next lesson when you feel steady.
There are 8 lessons and 8 practice pages, all free and without an account.
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