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Worksheet
Curated OER

Adding Decimals

For Students 4th - 5th
For this adding decimals worksheet, students solve 10 problems in which decimal numbers to the hundredth place are added. Some problems will need to be rewritten vertically.
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Lesson Plan
Curated OER

Adding and Subtracting Decimals

For Teachers 3rd - 5th
Students practice adding and subtracting numbers with decimals. In this decimals lesson plan, students use grid paper and money to learn how to add and subtract decimals.
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Lesson Plan
Curated OER

Investigation - Who is Right?

For Teachers 3rd
Third graders investigate two mathematic scenarios and determine which is correct. They compare adding columns and places (such as the tens place, hundreds place, and so on) and familiarize themselves with how to add larger numbers.
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Lesson Plan
Curated OER

The Weight of Primates

For Teachers 2nd
Second graders practice their problem solving skills. In this addition and subtraction skills lesson, 2nd graders solve word problems that require them to find differences and sums. This lesson features the use of a video titled "Blossom...
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Lesson Plan
Curated OER

Value Your Digits

For Teachers 3rd
Third graders work with place value. In this place value lesson plan, 3rd graders write three digit numbers and tell the place value of each number. They compare numbers and money, regroup, discuss the value of coins, and count money.  
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Printables
Virginia Department of Education

Mathematics Vocabulary Cards - Grade 2

For Teachers 2nd
Augment your math curriculum with posters detailing several concepts important to second grade math. Each poster features one math term from geometry, measurement, probability and statistics, computation and estimation, numbers and...
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Lesson Plan
Curated OER

Adding Two-Digit Numbers

For Teachers 3rd - 4th
In this adding two-digit numbers worksheet, students, working with a partner, problem solve seven addition equations and word problems.
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Worksheet
Curated OER

Bug Bite

For Students 3rd - 6th
In this addition worksheet, students add three to five numbers together with regrouping and match the answer to the letter in the problem to solve a riddle. Students solve 15 problems and answer 2 questions.
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Worksheet
Curated OER

Add One-Digit Numbers to Two-Digit Numbers

For Students 1st - 2nd
In this addition review worksheet, students practice adding 1-digit numbers to 2- digit numbers as they solve 3 addition problems.
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Worksheet
Curated OER

Problem-Solving Decision: Explain Your Answer - Reteach

For Students 3rd
In this problem solving worksheet, 3rd graders solve 3 word problems in which they add or subtract with three digit numbers. They write an explanation of how they solved the problem.
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Lesson Plan
Curated OER

Place Value Popsicles

For Teachers 1st - 2nd
Students play a place value game using popsicle sticks and dice. They investigate units and tens.
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Lesson Plan
Curated OER

Adding More Than Two Numbers

For Teachers 4th - 5th
In this adding more than two numbers worksheet, students, working with a partner, calculate the answers to eleven addition equations.
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Lesson Plan
Curated OER

Subtracting Greater Numbers

For Teachers 4th - 5th
In this subtracting greater numbers worksheet, students, with a partner, problem solve and calculate the answers to six addition equations.
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Unknown Type
Khan Academy

Khan Academy: Adding 1s or 10s (No Regrouping)

For Students Pre-K - 1st Standards
In this exercise, students practice adding 1s or 10s (no regrouping). Students receive immediate feedback and have the opportunity to get hints and try questions repeatedly.
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Whiteboard
ClassFlow

Class Flow: Two Digit Addition With Regrouping

For Teachers Pre-K - 1st Standards
[Free Registration/Login Required] This flipchart will help the second grade student review three digit place value and comparing numbers. It has a helpful work mat for teaching two digit addition with regrouping. Students will learn how...