Worksheet
Curated OER

Three-Digit Addition and Subtraction (Q)

For Students 3rd - 5th
For this three digit addition and subtraction worksheet, learners add and subtract three digit numbers. Students complete 49 addition and subtraction problems where they are to focus on 3 digit numbers.
Worksheet
Curated OER

Three-Digit Addition and Subtraction (P)

For Students 3rd - 4th
In this three digit addition and subtraction instructional activity, students add and subtract three digit numbers. Students complete 49 addition and subtraction problems where they focus on three digit numbers.
Worksheet
Curated OER

Two Digit Addition and Subtraction (T)

For Students 2nd - 3rd
In this two digit addition and subtraction worksheet, students add and subtract two digit numbers. Students complete 49 two digit addition and subtraction problems to find the sum.
Worksheet
Curated OER

Weighty Sums and Differences

For Students 3rd
In this numbers with weight worksheet, 3rd graders add and subtract different weights to 8 barbells in order to make the weight balanced on both ends of each barbell.
Lesson Plan
1
1
Curated OER

Half Math Quilt

For Teachers 3rd - 4th Standards
Help your third graders become familiar with equivalent fractions for one-half by having them create a quilt. They will use triangles to create a quilt of equivalent fractions over a period of 6 days. As they create the quilt pieces they...
Unit Plan
Curated OER

All About Money

For Teachers K - 3rd Standards
Few topics engage young mathematicians as much as learning about money. Through a series of shared readings and hands-on activities, children explore the US currency system, learning how to count money and calculate change as they create...
Worksheet
Curated OER

Adding and Subtracting Integers Two

For Students 3rd - 6th
In this addition and subtraction worksheet, students add and subtract one and two digit numbers including negative numbers. Students complete 120 problems.
Worksheet
Curated OER

Two-Digit Addition and Subtraction No Regrouping (A)

For Students 2nd - 4th
In this addition and subtraction instructional activity, students find the sums and differences by adding and subtracting two-digit numbers with no regrouping. Students solve 36 problems.
Lesson Plan
Curated OER

Two-Digit Addition and Subtraction No Regrouping (B)

For Teachers 2nd - 4th
In this adding and subtracting two-digit numbers worksheet, students find the sums and differences with no regrouping. Students solve 36 problems.
Worksheet
Curated OER

One-Digit Addition and Subtraction No Regrouping (B)

For Students 1st - 3rd
In this addition and subtraction worksheet, students find the sums and differences of one-digit numbers with no regrouping. Students solve 47 problems.
Lesson Plan
Curated OER

One-Digit Addition and Subtraction (B)

For Teachers 1st - 3rd
In this addition and subtraction worksheet, students find the sums and differences of one-digit numbers. Students solve 49 problems.
Lesson Plan
Curated OER

Two-Digit Addition and Subtraction (A)

For Teachers 2nd - 4th
In this two-digit addition and subtraction worksheet, students solve with mixed regrouping and no regrouping. Students solve 49 problems.
Worksheet
Curated OER

Three-Digit Addition and Subtraction (H)

For Students 3rd - 4th
In this mixed addition and subtraction instructional activity, students find the sums and differences for three-digit numbers. Students solve 49 problems.
Worksheet
Math Mammoth

Add & Subtract Whole Hundreds 1

For Students 3rd
In this mathematics worksheet, 3rd graders compare the problem 2700 plus 200 to the problem 27 plus 2 and explain their reasoning. Then they notice the patterns for each of the problems and continue them.
Lesson Plan
Curated OER

Adding and Subtracting Fractions with Like Denominators

For Teachers 3rd - 4th
Learners add or subtract fraction parts of mixed numbers before adding or subtracting the whole number parts. In this fractions lesson, students learn to use a ruler to help them add and subtract fractions with like denominators.
Handout
Math Centre UK

Fractions

For Students 3rd - 5th Standards
Reinforce fraction instruction with an informative worksheet equipped to provide independent practice, as well as guidance and modeling. Support is provided to boost proficiency in finding equivalent fractions, and adding,...
Lesson Plan
Teacher Created Materials

Rounding Numbers

For Teachers 3rd Standards
Pupils practice rounding numbers to the nearest ten and hundred. They solve rounding numbers word problems, and add and subtract rounded numbers. This nice, neat handout fully serves its purpose and can help meet CCSS.Math.Content.3.NBT.1.
Printables
Curated OER

Fractions: A Conceptual Approach

For Teachers 3rd - 6th Standards
If you are teaching fractions to elementary learners this year, this Singapore Math presentation is essential to your curriculum. It addresses several basic fractions concepts in conceptual terms and figures, making each idea accessible...
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
Curated OER

Visual Sum and Difference Word Problems - Matching Worksheet

For Students 3rd
Third grade mathematicians match the correct answer to eight word problems that ask them to add and subtract three-digit numbers. Beware the typos and the complex wording of the problems.
Lesson Plan
Curated OER

Adding and Subtracting Money

For Teachers 2nd - 3rd
In this math worksheet, students solve problems involving money. The first problem has four questions that guide the student through the problem solving process. The final four problems are computation problems involving money, but are...
Worksheet
Curated OER

Decimal Addition and Subtraction

For Students 3rd - 5th
In this decimal addition and subtraction practice worksheet, learners use their problem solving skills to solve 24 problems that require them to add and subtract decimals with up to 3 decimal places.
Worksheet
Curated OER

Decimal Addition and Subtraction 2

For Students 3rd - 5th
In this decimal addition and subtraction practice worksheet, students use their problem solving skills to solve 12 problems that require them to add and subtract decimals with up to 1 and 2 decimal places.
Worksheet
Curated OER

Inverse Relationships Add and Subtract [C]

For Students 2nd - 3rd
In this inverse relationship worksheet, students use information given to fill in blank boxes showing the inverse relationship of addition and subtraction problems.