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...
Scholastic
Study Jams! Multiplication of Decimals
How do you handle a decimal point when it appears in a multiplication problem? The answer is explained with a captivating and interactive slide show.
Math Salamanders Ltd.
Multiplication - 3 Digits Decimals Tenths by 1 Digit Sheet 1
For this decimal multiplication instructional activity, students multiply the decimal numbers in tenths by the single-digit numbers of two, three, four, or five. Students solve 20 problems.
Math Mammoth
Divide/Multiply
Several types of decimal and fraction problems can assist students with their multiplication and division skills, including multiplying decimals by whole numbers, word problems with both decimals and fractions, and converting fractions...
Charleston School District
Identifying Irrational Numbers
These numbers have some personality! Are they rational or irrational? The lesson examines the definitions of rational and irrational numbers and shows examples of how to identify them.
EngageNY
The Division Algorithm—Converting Decimal Division into Whole Number Division Using Fractions
Knowing the standard algorithm opens up a whole new world of division. Scholars learn how to convert division involving decimals to division involving whole numbers to use the standard algorithm. Knowing how to multiply with powers of...
EngageNY
Grade 5 Math Module 1, Topic E, Lesson 12
Continuing from the previous instructional activity, scholars work on mastering the skill of multiplying decimal fractions by a whole number. The method employed in the instructional activity is to convert the decimal fraction to its...
EngageNY
Grade 5 Math Module 1, Topic E, Lesson 11
Let your understanding of multiplying decimals flourish and multiply. After briefly reviewing place value concepts and how to add and subtract decimals, scholars learn to multiply a decimal fraction (like 0.6) by a whole number. They use...
EngageNY
The Division Algorithm—Converting Decimal Division into Whole Number Division Using Mental Math
Make math much simpler with mental math methods. The 16th installment in a series of 21 looks at ways scholars can apply mental math to convert division problems into easier problems with the same quotient. Multiplying or dividing both...
EngageNY
Grade 5 Math Module 1, Topic F, Lesson 13
After completing a fluency practice set on subtracting, multiplying, and comparing decimals, pupils begin learning about dividing decimals by whole numbers. They see how to use place value reasoning to find compatible numbers for...
Los Angeles County Office of Education
Assessment for the California Mathematics Standards Grade 5
Test young mathematicians' knowledge with an assessment aligned to California's fifth grade state standards. The exam covers a multitude of concepts including fractions and decimals, positive and negative numbers, measurement; and...
Open Text Book Store
Arithmetic for College Students: Worksheets
Loaded with concepts ranging from multiplying decimals to converting units to solving problems using the order of operations, a thorough practice packet is perfect for a fifth or sixth grade math classroom.
Math Salamanders Ltd.
Multiplying by Tenths Sheet 1
In this multiplication worksheet, learners plug numbers into a function machine where they multiply a one-digit number by a number to the tenths place with one decimal. Students complete nine problems.
Math Salamanders Ltd.
Multiplication - 4 Digit Decimal Hundredths by 1 Digit Sheet 1
In this decimal multiplication worksheet, students complete 20 problems, multiplying four-digit decimal hundredths by one-digit numbers. A reference website is given for additional activities.
Math Salamanders Ltd.
Multiplication - 2 Digit Decimals Tenths by 1 Digit Sheet 2
For this decimal multiplication worksheet, students complete 20 problems, multiplying decimal tenths by one-digit numbers. A reference website is given for additional activities.
Math Salamanders Ltd.
Multiplication - 3 Digit Money by 1 Digit Sheet 2
In this multiplication worksheet, students multiply three-digit numbers with decimals by one digit. The three-digit number is monetary, so students must line up their decimal point and the money sign.
EngageNY
Converting Repeating Decimals to Fractions
Develop a process with your classes for converting repeating decimals to fractions. Through this process, pupils understand that any repeating decimal can be written as a fraction. The 10th lesson in this 25-part module helps...
EngageNY
Decimal Expansions of Fractions, Part 1
Is it possible to add infinitely long decimals? As pupils complete the examples in the ninth lesson plan of this 25-part series, they determine that adding these decimals cannot be done without error. Their task is then to determine the...
Lane Community College
Review Sheets: Basic Mathematics 1
Here is a worksheet that is 3/4 fraction practice and 1/4 skills guide. The problems are organized by concept and each section bullet points the skills needed to accomplish them. The problems are straightforward practice with word...
Math Salamanders Ltd.
Multiplication - Three Digits Decimals Tenths by 1 Digit Sheet 2
In this multiplication of three digits with one decimal place learning exercise, students multiply a three-digit number with one decimal place by a single digit in 20 problems.
Charleston School District
Scientific Notation Operations
How do you operate with numbers in scientific notation? The resource provides examples on how to divide and multiply with numbers written in scientific notation. The handout and video also cover the procedure for addition and subtraction...
Illustrative Mathematics
Margie Buys Apples
One of the most common, everyday applications of math is dealing with money. This single problem calculating how much change Margie receives is more involved than it appears at first glance. An understanding of how fractions and decimals...
EngageNY
Grade 5 Math Module 1, Topic A, Lesson 3
The activity introduces exponents as a way to write powers of 10 and to associate those powers with place value. Pupils practice writing powers of 10 with exponents along with multiplying numbers by powers of 10. The resource is the...
EngageNY
Fraction Multiplication and the Products of Decimals
Class members come up with a hypothesis on the number of decimal digits in the product of two decimals. Learners work in groups to complete several decimal multiplication problems. The results help groups develop a conjecture on the...