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Decimals

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Decimal place valueRelating decimals and fractions in wordsDecimals as wordsWrite decimal in expanded formWriting decimal numbers shown in gridsWriting decimals and fractions greater than 1 shown on gridsPlace value with decimalsVisual understanding of regrouping decimalsExpressing decimals in multiple forms
Practice
Decimals in wordsGet 3 of 4 questions to level up!
Decimals in expanded formGet 3 of 4 questions to level up!
Relate decimals and fractions in wordsGet 3 of 4 questions to level up!
Decimals in written and expanded formGet 3 of 4 questions to level up!
Learn
Graphing tenths from 0 to 1 Identifying tenths on a number linePlotting decimal numbers on a number lineGraphing hundredths from 0 to 0.1Identifying hundredths on a number lineThousandths on the number lineWriting decimals and fractions shown on number lines
Learn
Worked example: Rounding decimals to nearest tenthRounding decimals on the number line
Practice
Round decimals Get 5 of 7 questions to level up!
Round decimals using a number lineGet 3 of 4 questions to level up!
Round decimals challengeGet 3 of 4 questions to level up!
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Comparing decimals 2Comparing decimals 3Comparing decimals: 9.97 and 9.798Comparing decimals: 156.378 and 156.348Comparing decimals in different representationsOrdering decimals 1Ordering decimals 2 Ordering decimalsOrdering decimals through thousandths
Practice
Compare decimals (tenths and hundredths)Get 5 of 7 questions to level up!
Compare decimals through thousandthsGet 5 of 7 questions to level up!
Compare decimal place valueGet 3 of 4 questions to level up!
Order decimalsGet 3 of 4 questions to level up!
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Writing a number as a fraction and decimalRewriting decimals as fractions: 0.15Rewriting decimals as fractions: 0.8Rewriting decimals as fractions: 0.36Fraction to decimal: 11/25Worked example: Converting a fraction (7/8) to a decimal Converting decimals to fractions 2 (ex 1)Converting decimals to fractions 2 (ex 2)
Practice
Write decimals as fractionsGet 5 of 7 questions to level up!
Converting fractions to decimalsGet 3 of 4 questions to level up!
Rewriting decimals as fractions challengeGet 5 of 7 questions to level up!
Write common fractions as decimalsGet 5 of 7 questions to level up!
Learn
Introduction to adding decimals: tenthsAdding decimals with hundredthsAdding decimals: 9.087+15.31Adding decimals: 0.822+5.65Adding three decimalsAdding decimals
Practice
Add decimals visuallyGet 5 of 7 questions to level up!
Adding decimals: tenthsGet 5 of 7 questions to level up!
Adding decimals: hundredthsGet 5 of 7 questions to level up!
Adding decimals: thousandthsGet 5 of 7 questions to level up!
Learn
Strategies for subtracting more complex decimals with tenthsMore advanced subtraction strategies with hundredthsSubtracting decimals: 9.005 - 3.6Subtracting decimals: 39.1 - 0.794Subtracting decimals
Practice
Subtract decimals visuallyGet 5 of 7 questions to level up!
Subtracting decimals: tenthsGet 5 of 7 questions to level up!
Subtracting decimals: hundredthsGet 5 of 7 questions to level up!
Subtracting decimals: thousandthsGet 5 of 7 questions to level up!
Learn
Adding decimals word problemAdding & subtracting decimals word problem
Practice
Learn
Intro to multiplying decimalsDeveloping strategies for multiplying decimalsMultiplying decimals: place valueMultiplying challenging decimalsMultiplying decimals (no standard algorithm)
Learn
Dividing whole numbers to get a decimalDivision strategies for decimal quotientsMultiplying and dividing decimals by 10Dividing decimalsMulti-digit division strategies for decimalsStrategies for dividing by tenthsDividing decimals completelyDividing decimals with hundredthsLong division with decimalsDividing by a multi-digit decimalMultiplying and dividing decimals by 10, 100, 1000
Practice
Divide whole numbers by decimals visuallyGet 3 of 4 questions to level up!
Divide decimals by whole numbers visuallyGet 3 of 4 questions to level up!
Dividing decimals 1Get 5 of 7 questions to level up!
Dividing decimals 2Get 5 of 7 questions to level up!
Dividing decimals: hundredthsGet 3 of 4 questions to level up!
Dividing decimals: thousandthsGet 3 of 4 questions to level up!

About this unit

In this topic, we will learn what a decimal is and how to show it visually and on a number line. We will also add, subtract, multiply, and divide with decimals.