Illustrative Mathematics
Converting Decimal Representations of Rational Numbers to Fraction Representations
A rational number is a ratio of two integers. Discuss with your class how to convert the rational numbers of repeating decimals to fractions. A good commentary on letting x equal the repeating decimal and multiplying each side of such...
Curated OER
Multiplying by Negative Powers of Ten (E)
In this negative powers of ten worksheet, students multiply one-digit whole numbers by decimal numbers ranging from 1 to .0001. This two-page worksheet contains approximately 50 problems, with answers.
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Using Known Facts to Multiply and Divide Mentally
Building strong mental-math skills requires learners to have a strong number sense. They practice multiplying two and three-digit numbers in their heads using estimation or approximation. They estimate or round each number and then...
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Multiplying Decimal Numbers
In this decimal multiplication worksheet, students answer 16 decimal multiplication questions. There is a link at the bottom of the page that provides the answers.
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Multiplying Decimals by 0.1, 0.01, 0.001 (G)
Here is a decimal multiplication worksheet in which learners solve 40 problems in which decimals to the thousandths place are multiplied by 0.1, 0.01 or 0.001.
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Multiplying Decimals by 1000 (B)
In this multiplying decimals worksheet, learners multiply tenths, hundredths, thousandths, times one thousand. Students solve 45 problems.
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Multiplying Decimals by 0.01 (J)
In this multiplying decimals worksheet, students find the products of tenths, hundredths, and thousandths problems. Students solve 45 problems.
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Multiplying Decimals (A)
In this math worksheet, students solve 32 multiplication problems. For each problem, students multiply two whole numbers with decimals.
CK-12 Foundation
Mental Math to Multiply by Whole Number Powers of Ten: The Rule for Tens
Eight questions challenge scholars to use mental math while multiplying whole numbers by powers of 10. A tool with bouncing decimals demonstrates how and where the decimal moves. Question types include several multiple-choice, a...
CK-12 Foundation
Estimation to Check Decimal Multiplication: Watering a Garden
Mathematicians solve six multiple-choice and true or false questions using their knowledge of estimation and multiplying decimals. The interactive provides a garden-themed tool that creates a visual aid of three watering cans to assist...
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Multiplying Decimals (C)
In this multiplying decimal numbers instructional activity, students solve 12 problems that require them to multiply 3, 4, 5, and 6-digit decimal numbers.
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Multiplying Decimals by 0.1, 0.01, 0.001 (C)
In this multiplying decimals worksheet, students use their math skills to solve 45 problems that require them to multiply decimal numbers by 0.1, 0.01, and 0.001.
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Multiplying Decimals by 1,000 (A)
For this math worksheet, students multiply decimal numbers by one-thousand. Decimal number place values range between whole numbers and thousandths.
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Multiplying Decimals by 10, 100, 1000 (A)
In this math activity, students multiply decimal numbers by ten, one-hundred and one-thousand. Each decimal number ranges between the ones place to the thousandths place.
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Multiply Decimal Numbers
In this multiplication worksheet, students complete a set of 14 problems, multiplying numbers with one decimal place. A reference web site is given for additional activities.
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Decimals Worksheet 1 - Multiplication
In this decimal activity, students solve a set of 20 problems, multiplying decimal numbers by 10. An answer link is provided.
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Multiply Decimals by Whole Numbers
In this decimal worksheet, students complete a set of 12 problems, multiplying decimal numbers by whole numbers. An answer link is included.
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Multiplying Decimals by 0.1 (J)
In this decimal multiplication worksheet, learners solve 50 problems in which decimal numbers to the thousandths place are multiplied by 0.1.
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Challenge: Five in a Row with Decimal Numbers
In this multiplication worksheet, students play a game with 2 number cubes or dice where they substitute decimals for the numbers on the cubes. Students multiply the decimals together then find the corresponding product on a 5 by 5 game...
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Multiply Whole Numbers and Decimals
In this decimals worksheet, students analyze the data on a table and then read and solve 6 problems. Students read the story problems and multiply a decimal number by a whole number to solve.
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Multiply Decimal Fractions by 10 or 100
For this decimal fraction multiplication worksheet, students read an explanation of rules, then solve 24 problems. Answers are included on page 2.
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Multiplying and Dividing by 10 and 100
Multiplying decimals is just like multiplying any number; you just need to remember the decimal point. Learners will see how decimal numbers move place value as they are multiplied by 10 or 100. This presentation also shows how decimal...
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Countdown Challenge: The Decimal Point
In this decimal point worksheet, students compare and contrast Stevin's decimal system to Napier's. They use Napier's system to calculate powers of ten. Students write numbers with various place values. This one-page worksheet contains...
Curated OER
Graphing Calculator Activity: Multiplying and Dividing Mixed Numbers
In this graphing calculator worksheet, students explore necessary steps to multiply and divide mixed numbers using a graphing calculator. In groups, students measure objects in their classroom and write equations using their collected...
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