Unit Plan
Common Core, Inc.

Multi-Digit Whole Number Subtraction

For Teachers 3rd - 4th Standards
A thorough exploration into subtracting multi-digit numbers, this series of lessons is an excellent way to guide learners of any skill level. With a step-by-step lesson plan and straightforward assessment tools, kids are sure to...
Activity
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Resources for Educators

Math & Science Connection

For Teachers Pre-K - 3rd Standards
Whether you're using a collection of Dr. Seuss books to teach basic math skills like counting, adding, and subtracting, or exploring the different states of matter by melting a crayon with a hairdryer, a series...
Lesson Plan
Curated OER

Tracking the Salt Front

For Teachers 3rd - 5th
Using the Hudson River as the focus, learners discuss the difference between salt water and fresh water environments, analyze maps and graphs, and complete addition and subtraction problems. This lesson comes with a wealth of...
Worksheet
DK Publishing

Real-life Word Problems, Part 5

For Students 2nd - 4th Standards
Bring these four word problems to your second grade class to reinforce addition, subtraction, and money math. The problems provide space to write out the proper equations, as well as separate areas to fill in the answers. Use these...
Lesson Plan
For the Teachers

$1 Math

For Teachers 2nd - 7th Standards
Captivate your class by having them find the value of their names, different zoo animals, musical instruments, etc.,with a mental math lesson. Using the coding formula listed, children learn to fluently estimate and calculate...
Worksheet
Curated OER

Missing Digits

For Students 3rd - 4th
In this addition and subtraction skills worksheet, learners solve 12 problems that require them to fill in the missing digits in 12 multiple digit addition problems.
Worksheet
Curated OER

Choose the Operation

For Students 2nd - 3rd
In this mathematical operations worksheet, students solve the six math word problems by determining which operation to use, addition or subtraction, to solve the problem.
Lesson Plan
Curated OER

Two-Digit Subtraction With Regrouping

For Teachers 2nd - 3rd
Students practice their subtraction skills by solving 2 digit subtraction equations the teacher lists on the board. For this subtraction with regrouping lesson, students use the regrouping method to solve the 2-digit subtraction equations.
Worksheet
Curated OER

Summer School Math Worksheets --Addition and Subtraction

For Students 2nd - 3rd
For this math worksheet, learners solve 100 addition problems in which 2 digit numbers are added, with and without carrying. Students then solve 100 subtraction problems with 2 digits, with and without regrouping.
Worksheet
Curated OER

4-Digit Problem Solving: Add and Subtract

For Students 3rd - 5th
In this problem solving worksheet, students solve a total of 7 equations, drawing models and using algorithm. A reference web site for additional activities is given.
Worksheet
Math Worksheets Land

Add and Subtract within 1000 - Step-by-Step Lesson

For Students 2nd - 4th Standards
Three-digit numbers are the name of the game here! Scholars convert 456 to expanded form, then complete one addition and one subtraction problem. The equations are written vertically, and the addends produce a four-digit number. There is...
Worksheet
Curated OER

Addition A

For Students 2nd - 3rd Standards
Learners solve twenty five addition problems involving a series of one digit numbers. This learning exercise would be a quick and easy way to review this topic.
Worksheet
Curated OER

I Can Solve Capacity Problems (3 Worksheets)

For Students 3rd - 4th
In this math worksheet, students read and solve 20 word problems in which they calculate capacity using basic addition or subtraction with regrouping. Note: All problems are in metric measurement only.
Worksheet
Curated OER

Add and Subtract Decimal Tenths

For Students 3rd - 5th
For this decimal addition and subtraction review worksheet, students use problem solving skills to solve 32 problems that require them to add and subtract decimal tenths.
Worksheet
Curated OER

Add and Subtract Decimal Tenths (G)

For Students 3rd - 5th
In this addition and subtraction of decimal tenths learning exercise, students solve 16 problems that require them to add and subtract with decimal tenths.
Worksheet
Curated OER

Add and Subtract Decimal Tenths (H)

For Students 3rd - 5th
In this addition and subtraction of decimal tenths worksheet, students solve 16 problems that require them to add and subtract with decimal tenths.
Worksheet
Curated OER

Add and Subtract Decimal Tenths (I)

For Students 3rd - 5th
For this addition and subtraction of decimal tenths worksheet, students solve 16 problems that require them to add and subtract with decimal tenths.
Worksheet
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K5 Learning

Mixed Practice Word Problems #8

For Students 2nd - 4th Standards
Six questions make up a mixed practice worksheet. Scholars use their knowledge of addition, subtraction, multiplication, money, perimeter, ounces, and pounds to solve word problems with numbers up to 66,000.
Assessment
Los Angeles County Office of Education

Assessment for the California Mathematics Standards Grade 3

For Students 3rd Standards
Assess scholars' knowledge with a 22-page assessment that covers place value, patterns, probability, estimation, measurement, geometric figures; and their ability to add, subtract, multiply and divide proficiently. 
Worksheet
Math Worksheets 4 Kids

Pictograph Christmas Gifts

For Students 1st - 3rd Standards
Add holiday cheer to math practice with a Christmas themed worksheet designed to reinforce skip counting by two and solving word problems. 
Worksheet
Curated OER

Magic Squares and Adding on a Number Line

For Students 2nd - 3rd
For this math addition and subtraction worksheet, students solve 24 problems pertaining to addition magic squares, adding on a number line, adding money (English pounds) and basic addition and subtraction without regrouping. This page is...
Lesson Plan
Curated OER

Shipping on the Hudson

For Teachers 3rd - 5th
Students track movements of ships, tugboats, and barges on the Hudson River estuary in order to practice addition and subtraction skills. They solve word problems by reading and interpreting data from a table. They calculate distances...
Worksheet
Curated OER

Math Cross Number Version 9

For Students 2nd - 4th
For this math cross number worksheet, students fill in the blanks in the math puzzle as they solve the 28 addition and subtraction problems.
Lesson Plan
Curated OER

Problem Solving with Multi-Step Number Stories

For Teachers 3rd - 5th
Pupils solve multi-step number stories. They create number models to solve number stories.  Everyone chooses the appropriate operation to use after reading the problem, and then work in small groups to...