Education Development Center
Geography of the Number Line
It's more than just numbers on a line, its an organizational, mental math machine to help learners understand the value of numbers. The tool is handy when introducing positive and negative integers to see their values and relationships....
Curriculum Corner
“I Can” Common Core! 3rd Grade Math
Help third graders make sense of the Common Core math standards with this simple checklist. By rewording each standard as an I can statement, children are provided with clear goals to focus on as they participate in math lessons.
EngageNY
Fluency with Percents
Pupils build confidence working with percents as they work several types of percent problems to increase their fluency. The resource contains two sets of problems specifically designed to build efficiency in finding solutions of basic...
Curated OER
Dividing by One Hundred
In this finding the quotients worksheet, students divide four-digit numbers by one hundred using mental math. Students solve 15 problems.
EngageNY
Overcoming a Second Obstacle in Factoring—What If There Is a Remainder?
Looking for an alternative approach to long division? Show your classes how to use factoring in place of long division. Increase their fluency with factoring at the same time!
Curated OER
Dividing Integers #3
In this dividing integers #3 learning exercise, 6th graders solve 60 division problems by using mental math to find the answers; there are 2 different sheets of 60 problems on one page.
Curated OER
Mental Tests: Basic Operations
In this mental math worksheet, students answer problems using the four operations: addition, subtraction, multiplication & division. Problems are grouped in ten for a quick review.
Curated OER
Multiplication & Division
Helpful for building a multiplication unit that focuses on different strategies. With explanations about repeated addition and subtraction as foundations for multiplication, scaling, summaries of progression, and basic multiplication and...
DK Publishing
Real-Life Word Problems, Part 2
Are you looking for word problems to fit into your Common Core math lesson? Use this resource to assess your third graders' problem-solving skills. They read 14 word problems involving multiplication and division, and write the answers...
Curated OER
Dividing with Decimals
In this decimal division learning exercise, 5th graders answer 6 questions with word problems related to decimal division and multiplication.
Curated OER
Powers of Ten
In this powers of ten worksheet, 5th graders multiply and divide decimals by multiples of ten. They mentally solve simple problems containing powers of ten. This two-page worksheet contains 10 problems.
Curated OER
Mental Math Blocks 2
In this math worksheet, students solve eleven math problems. Students solve the problems by using multiplication, division, subtraction, and addition.
Curated OER
Mental Math: Addition and Subtraction
Fourth graders exercise their minds in completing mental math skills of adding and subtracting by making multiplies of ten. They compute problems involving multiplication and division of whole numbers and addition and subtraction of...
Curated OER
Division Facts
In this finding the quotients activity, students use mental math to divide one-digit and two-digit numbers by one-digits with no remainders. Students solve 40 problems.
Curated OER
Division: Facts Under Ten
In this finding the quotients worksheet, students use mental math to divide two-digits by one-digit with no remainders. Students solve 80 problems.
Curated OER
Factors
Factoring numbers helps prepare scholars for fractions and algebra, so build confidence by drilling this skill and promoting reflection in the process. Scholars start by listing factors for 18 numbers, none of which exceed 30. Next, they...
PBS
Working With Equivalent Fractions, Decimals and Percentages: Activities and Supplemental Materials
Reinforce math concepts using six worksheets that coincide with Virtual Math Girl's video instruction. The practice pages' objectives include writing equivalent fractions, decimal equivalents, and converting percents to decimals and...
Curated OER
Mental Strategies For Multiplication And Division
Learners engage in a lesson that is concerned with the use of mental strategies for multiplication and division. They develop the cognitive skills through repetition exercises that include mental exercises like "Mad Minutes Multiplication".
Curated OER
Explorit's Do-It-In-Your-Head Numbers Quiz
In this mental math learning exercise, students complete a 6 question multiple choice online interactive activity without using pencil, paper or calculator. Included are word problems, multiple operations, averaging, and basic arithmetic.
Curated OER
Multiplying and Dividing Decimals
Division with decimals is explained using prior knowledge of powers of 10 and how to convert both sides of a division problem using this knowledge. The class works together through reading and setting up an equation for a word problem....
Curated OER
Numeracy Starters
If you like to start each day with a new math challenge or warm-up, this resource is a must have. It includes 36 slides, each containing a different math challenge that stimulates algebraic reasoning, problem solving, and basic math...
Curated OER
Mental Division Year 4
In this finding the quotients in word problems worksheet, students divide two-digit and three-digit numbers by one-digit numbers and find the factors of numbers. Students solve 12 problems.
Curated OER
Division Problems to Calculate Mentally
In this division learning exercise, students answer a set of 10 questions, trying to answer all questions "in their head." Answers are included on page 2.