Illustrative Mathematics
Illustrative Mathematics: 4.nbt to Regroup or Not to Regroup
Sometimes when we subtract one number from another number we "regroup," and sometimes we don't. For example, if we subtract 38 from 375, we can "regroup" by converting a ten to 10 ones: Aligns with 4.NBT.B.
University of Waterloo (Canada)
Mathfrog: Powerama 4
Practice multiplying and dividing by 10, 100, and 1000. There are 50 questions with immediate feedback and a chance to correct your errors.
Khan Academy
Khan Academy: Divide Multi Digit Numbers by 2, 3, 4, and 5 (Remainders)
Practice dividing multi-digit numbers by one digit numbers with remainders.
CK-12 Foundation
Ck 12: Elem Math: Compare With Multi Step Addition and Subtraction Word Problems
[Free Registration/Login may be required to access all resource tools.] The video shows how to compare numbers in a word problem using multiple operations to find given values and the solutions to the questions posed in the problem. The...
Fact Monster
Fact Monster: Decimals Places
Fact Monster: Decimals is a learning module that focuses on digit placement. It also provides videos on how to add and subtract decimals and how to multiply and divide decimals.
Alabama Learning Exchange
Alex: Three Digit Subtraction
This lesson uses technology and literature to teach subtraction of three-digit numbers, including subtraction across zeros.
Alabama Learning Exchange
Alex: Multiplication My Way
In this lesson plan, students will explore the US Algorithm Method of multiplication using a unique way of describing it known as the Turtlehead Method. Students will collaboratively work together to complete story problems using the US...
Topmarks Online
Topmarks: Daily 10
Daily 10 has maths questions on a range of maths concepts: addition, subtraction, ordering, partitioning, digit values, rounding, multiplication, division, doubles, halves and fractions. Great starter or plenary activity. Useful for...
University of Waterloo (Canada)
Mathfrog: Decimal Mania Add or Subtract the Decimals
Add or subtract by entering one digit in each box.
ABCya
Ab Cya: Multiples
Number Ninja: Multiples is a fast-action way to practice math facts. Act quickly and use your finger or mouse to slice multiples of the target number. Earn extra points by slicing multiple numbers at the same time!
National Council of Teachers of Mathematics
Nctm: Illuminations: Times Table
This tool allows you to practice multiplying single-digit numbers.
Shodor Education Foundation
Shodor Interactivate: Arithmetic Quiz
This activity gives the user randomized questions to answer on arithmetic with whole numbers and integers.
Homeschool Math
Homeschool Math: Comparing Decimals
This is a complete lesson with video instruction [5:49] and varied exercises about comparing decimals with 1 or 2 decimal digits.
Quia
Ixl Learning: Place Value
Brush up on your math skills relating to place value then try some practice problems to test your understanding.
Quia
Ixl Learning: Adding Decimals
Brush up on your math skills relating to adding decimals then try some practice problems to test your understanding.
Quia
Ixl Learning: Decimal Place Value
Brush up on your math skills relating to decimal place value then try some practice problems to test your understanding.
Quia
Ixl Learning: Long Multiplication
Brush up on your math skills relating to long multiplication then try some practice problems to test your understanding.
Louisiana Department of Education
Louisiana Doe: Louisiana Believes: Eureka Math Parent Guide Place Value, Rounding & Algorithms for Add'n and Subtr'n
A guide to support parents as they work with their students in place value, rounding, and algorithms for addition and subtraction.
Louisiana Department of Education
Louisiana Doe: Louisiana Believes: Eureka Math Parent Guide: Multi Digit Multiplication and Division
A guide to support parents as they work with their students in multi-digit multiplication and division.
PBS
Pbs: Rounding to Wholes, Tenths, and Hundredths
On some nights only certain numbers can get in to the Number Line Party, what's a decimal to do? This interactive exercise combines activities here appear in two other Number-Line Party lessons and focuses on using what you know about...
PBS
Pbs: Place Value: Musical Digits
Learn about place value and the base-10 number system. This video focuses on using what you know about place value to determine what value each of the three digits represents.
PBS
Pbs: Base 60: Babylonian Decimals
Explore a brief history of mathematics in Mesopotamia through the Babylonian Base 60 number system. This video focuses on how a base 60 system does not use fractions or repeating decimals, some of the advantages of a base 60 system, and...
E-learning for Kids
E Learning for Kids: Math: Ice Cream Shop: Four Digit Numbers
On this interactive site students learn to place numbers in ascending and descending order, write 4-digit numbers in expanded notation and discuss place value.
E-learning for Kids
E Learning for Kids: Math: Carnival Parade in Rio: Addition and Subtraction
Help keep the carnival parade safe by helping officer Davi with his addition and subtraction!