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Worksheet
Curated OER

Grouping Three Times

For Students 2nd - 3rd
In this addition practice worksheet, students solve 6 problems that require them to add 4-digit numbers to 3-digit numbers. Students identify the problems that required them to group 3 times and write and solve their own addition problems. 
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Worksheet
Curated OER

Kitchen addition

For Students 1st - 2nd
In this addition worksheet, students complete addition problems where they use kitchen items to represent one digit numbers. Students complete 4 problems.
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Worksheet
Curated OER

Rounding 3 Digit Numbers to the Nearest Ten

For Students 3rd - 4th
In this math worksheet, students round 3 digit numbers to the nearest ten. There are 24 problems on the page, which has no examples.
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Lesson Plan
Curated OER

Ordering Numbers to 1,000

For Teachers 3rd - 4th
In this ordering numbers to one thousand worksheet, students, working with a partner, calculate the answers to eight word problems involving ordering numbers to one thousand.
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Worksheet
Curated OER

Model Adding 2-Digit Numbers

For Students 2nd - 3rd
In this adding two-digit word problems worksheet, students and equations with and without regrouping. Students solve six problems.
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Worksheet
Curated OER

Subtraction-2 Digit Numbers

For Students 2nd - 3rd
In this subtraction worksheet, students complete a set of 27 problems, subtracting one 2-digit number from another. A website reference for additional activities is given.
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Worksheet
Curated OER

Single Digit Multiplication

For Students 2nd - 3rd
In this multiplication worksheet, students complete a set of 21 problems, multiplying two 1-digit numbers. A reference web site is given for additional activities.
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Worksheet
Curated OER

Math Review for Grade 4: Number Sense

For Teachers 4th
In this math review for grade 4 number sense worksheet, 4th graders answer 24 multiple choice question in standardized test format about number sense.
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Worksheet
Curated OER

Multiplication - 3 Digits by 1 Digit Sheet #1

For Students 3rd - 4th
In this multiplication worksheet, students improve their multiplication facts knowledge. Students solve fifteen multiplication problems by multiplying a 3-digit number by a 1-digit number.
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Worksheet
Curated OER

Math Worksheets Addition Worksheet: 2-Digit Addends 3

For Students 3rd - 4th
In this addition worksheet, students illustrate their understanding of adding 2-digit numbers by solving 20 problems and providing the correct computation.
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Worksheet
Curated OER

Addition and Subtraction Word Problems

For Students 1st - 3rd
Approach word problems using these straightforward addition and subtraction practice scenarios. Learners choose answers from a list, recording the corresponding letter next to each problem. Ten questions involve basic addition and...
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Lesson Plan
EngageNY

Logarithms—How Many Digits Do You Need?

For Teachers 9th - 12th Standards
Forget your ID number? Your pupils learn to use logarithms to determine the number of digits or characters necessary to create individual ID numbers for all members of a group. 
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Lesson Plan
EngageNY

Comparison of Numbers Written in Scientific Notation and Interpreting Scientific Notation Using Technology

For Students 8th Standards
Examine numbers in scientific notation as a comparison of size. The 14th lesson in the series asks learners to rewrite numbers as the same power of 10 in scientific notation to make comparisons. Pupils also learn how to use a calculator...
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Worksheet
Curated OER

Place Value Through Hundred Billions - Practice 1.3

For Students 5th - 7th
In this recognizing place value through hundred billions worksheet, students write numbers in standard form, value of underlined digits in short word form, numbers in expanded form using exponents, and algebra equations. Students solve...
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Worksheet
DK Publishing

Counting Caterpillars

For Students 1st - 2nd Standards
These caterpillars each have a number sequence printed on their segmented bodies, but some numbers are missing! Look at the completed caterpillars as an example, asking kids to notice a possible pattern. They should observe that the...
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Interactive
PHET

Area Model Multiplication

For Students 3rd - 7th Standards
Develop a solid understanding of multiplication. The interactive provides opportunities for learners to continue building a deep understanding of multiplication. Pupils use the application to find the product of two numbers and find...
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Lesson Plan
West Contra Costa Unified School District

The Power of Ten: Building a Magnitude Model

For Teachers 4th - 5th Standards
Add visual representation to teaching place value with a magnitude model. Using adding machine tape, pupils build a linear place value strip from 1 to 100.
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Printables
Houghton Mifflin Harcourt

Unit 4 Math Vocabulary Cards (Grade 3)

For Teachers 3rd
Bring a set of 19 math vocabulary cards to your third grade math class. Each sheet contains two cards. The top half has the vocabulary word printed in bold text, while the bottom half has the definition of the word. Card topics include...
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Lesson Plan
Curated OER

Side-By-Side Division Algorithms

For Teachers 3rd - 6th Standards
Show classes how to work their way through the algorithms. The long division lesson plan shows five algorithms in dividing multi-digit numbers by a single digit. The algorithms include partial quotients, stacking method, place value long...
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Lesson Plan
Curated OER

Primary Counting Skills

For Teachers K - 1st
Class members drill and practice counting skills from 1 to 20. They count along with a puppet and when the puppet makes a mistake, they correct it. In pairs, they connect cubes to make a train and count the number used. On the last of...
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Handout
K-5 Math Teaching Resources

Mini Math Word Wall

For Students K - 2nd Standards
Provide a little extra support for your emerging mathematicians with a personal word wall. Including graphics and images that support children with learning to count, identify colors and shapes, and read high frequency words, this 
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Printables
K-5 Math Teaching Resources

Multiplication Chart

For Students 3rd - 6th Standards
This is not your run-of-the-mill multiplication chart. Going beyond the standard 12 x 12 limit, this resource includes multiplication facts up through 12 x 20, making it great for supporting children as they continue working toward being...
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Lesson Plan
Curated OER

Value that Number

For Teachers 1st - 3rd
Learners complete a variety of activities to gain an understanding of the place values for ones, tens, and hundreds. They should place sets of numbers in order from least to greatest and from greatest to least.
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Activity
Computer Science Unplugged

Kid Krypto–Public-Key Encryption

For Teachers 6th - 12th
Class members have an opportunity to experience how to use a public key to encrypt information and a private key to decrypt it. Groups create their own public key and encrypt information then develop private keys to decrypt this...