Lesson Plan
Houghton Mifflin Harcourt

Addition and Subtraction Facts to 20

For Teachers K - 2nd Standards
First graders act out number stories from number cards. In order to learn about addition and subtraction up to 20 lesson, learners become the manipulatives and line up to show the number stories.
Worksheet
Teacher's Guide

Adding Tens

For Students 1st - 3rd Standards
Given a hundred chart and several examples, learners practice adding 10s. They are given a number then use the chart to aid in adding 10, 20, 30, 40, or 50. There are 25 problems to solve. Tip: Have learners color in all the tens prior...
Worksheet
Curated OER

Math Word Problems

For Students 1st - 5th
In this math worksheet, students look for the answers to the word problems. They use reading and critical thinking skills to do the appropriate operation.
Worksheet
Curated OER

A Sandwich Solution

For Students 1st - 2nd
In this solving a subtraction word problem worksheet, students read the problem, draw a picture, write an equation, and create a similar story problem. Students answer four questions.
Worksheet
Curated OER

How Many Pennies? challenge

For Students 1st - 2nd
In this solving penny word problems activity, students solve addition problems and use dimes, nickels, and pennies to draw the least number of coins possible for the total amount. Students solve three problems.
Lesson Plan
Curated OER

Math Game Using A Tic-Tac-Toe Board

For Teachers 1st - 6th
Elementary schoolers play a math game using a Tic-Tac-Toe Board. This simple idea can be used with virtually any grade level. A team of learners are the "O's," and the other is the team of "X's." Each time a team gets a problem correct,...
Worksheet
Curated OER

Ways to Make 9 and 10

For Students K - 1st
Word problems are great skill builders! Here are 6 basic word problems intended to boost addition skills. Leaners work through each problem and discover various ways to make 9 and 10.
Worksheet
Curated OER

Repeated Subtraction

For Students 1st - 3rd
Learners can find the difference using repeated subtraction. This set of 6 word problems encourages them to use repeated subtraction as the primary problem solving strategy.
Lesson Plan
Curated OER

Math Bell Game

For Teachers 1st - 3rd
Young scholars compete to solve math problems.
Worksheet
Curated OER

Show a Story Problem

For Students 1st - 4th
In this writing equations activity, students solve 4 problems where they are given an answer and they must draw a picture and write an equation to show the problem for each answer.
Worksheet
Curated OER

Problem Solving

For Students 1st - 2nd
In this math activity, students solve a word problem about base ten blocks. Students illustrate their work in pictures, numbers, and words.
Worksheet
Curated OER

Problem Solving: Base Ten Blocks

For Students 1st - 2nd
In this math worksheet, students solve a word problem about base ten blocks. Students illustrate their work with pictures, numbers and words.
Lesson Plan
Curated OER

Puzzled by Word Problems? See the Solution!

For Teachers 1st - 2nd
Students apply basic number concepts and computation skills while discovering problem-solving strategies. The contribute to a group activity, while demonstrating a knowledge of math problem solving with individual dry-erase boards so...
Worksheet
Curated OER

Muffin Math

For Students 1st - 2nd
For this problem solving worksheet, students read and solve 6 word problems pertaining to muffins. Students write the correct number sentence and then solve it.
Worksheet
Curated OER

My Test Book: Story Problems

For Students 1st - 3rd
In this math skills practice worksheet, students solve 10 multiple choice math problems that require them to respond to story problems.
Worksheet
Curated OER

In Arctic Waters: Math Quiz

For Students 1st - 3rd
In this literature and math worksheet, students complete a ten question multiple choice word problem quiz. This math activity is related to the book In Arctic Waters.
Worksheet
Math Worksheets Land

Unknown Numbers in Sums and Differences

For Students 1st - 3rd Standards
You've hit the word problem jackpot with this set of 10 addition and subtraction scenarios! For each, learners have to find a missing number. Sometimes it is the sum or difference, and for others, an addend or minuend. For each, there is...
Lesson Plan
Curated OER

Addition and Subtraction - First Grade

For Teachers Pre-K - 2nd Standards
Twenty-five multiple choice addition and subtraction problems fill the six-page worksheet. Many are word problems that include graphics to help learners visualize the situation. A useful tool in meeting Common Core standards!
Worksheet
Math Worksheets Land

Add and Subtract Within 20 - Independent Practice Worksheet

For Students 1st Standards
Young mathematicians draw pictures to help them solve a series of addition and subtraction word problems. The final problem in the set of ten is a bit fishy because Nikki caught some fish, threw those back, and then caught some more.
Lesson Plan
Illustrative Mathematics

1.OA, NBT, The Very Hungry Caterpillar

For Teachers Pre-K - 2nd Standards
First graders are exposed to addition of three whole numbers in a math activity centered around Eric Carle's, The Very Hungry Caterpillar. As the teacher reads, young mathematicians use counters and ten-frames to symbolize the number of...
Lesson Plan
Curated OER

Study Buddies: Adding Two-Digit Numbers

For Teachers 1st - 2nd
Some times a simple instructional activity is all you need. Here are 2 worksheets that can be used as a instructional activity on problem solving, addition, and partner work. The first worksheet has learners use a tens and ones charts to...
Worksheet
Curated OER

Making 100 By Adding

For Students 1st - 3rd
In this addition worksheet, students create number problems that equal 100. In this fill in the blank worksheet, students generate ten addition problems.
Worksheet
Curated OER

Christmas Subtraction Worksheet

For Students K - 1st
Find the differences by counting the Christmas objects that correspond to the word problem. There are 3 problems total each requiring learners to write the equation that describes their answer.
Worksheet
Curated OER

Adding Coins

For Students 1st - 2nd Standards
Here's a great way to get scholars drawing out math problems. This money math worksheet gives them five coins to start with. They find as many combinations of three as they can to create different totals. Two examples are given here, and...