Showing Results for add and subtract

Teach your students to add and subtract fractions with like denominators using a strategy that works for both operations: converting mixed numbers into improper fractions and back again!

Getting ready to subtract fractions? This lesson reviews how to subtract like denominators and teaches students how to subtract unlike denominators. The focus is on understanding the process and reasoning behind each step.

This lesson combines three essential skills in one entertaining game! Students will need to add, subtract, and understand place value with decimals.

This lesson will help students build an understanding of multiples as they learn how to subtract from multiples of 100!

Do your students ever want to just hurry and finish their homework? Your students can use the number line jumping strategy to quickly add two-digit numbers and show their understanding of place value and expanded form in the process.

Who doesn’t like to spend money and plan parties? Students will subtract two-digit numbers as they calculate the remaining money for their party supplies. They will subtract in multiples of ten and focus on place value.

Word problems getting you down? Then spread the word on a lesson that will help students decide when to add or subtract, as they identify clue words that aid in solving word problems.

Double dominoes! Get your students excited to add with dominoes and playing cards. This lesson is a fun way to help your students continue to learn to add.

Getting ready to add fractions? This lesson reviews how to add fractions with unlike denominators using number lines. Students will focus on understanding the process and reasoning behind each step.

Can you break a ten? An everyday exchange of money can help students think about regrouping to subtract. Students will use bundled popsicle sticks to see how values grouped into tens can be regrouped into ones to allow us to subtract.

Teach your students to subtract mixed numbers with like denominators using the strategy of decomposition. This strategy helps students to manipulate and break down numbers to help them solve tricky subtraction problems.

In this lesson, students will learn how to add a one-digit number to a two-digit number. This will help students build upon the skills needed for regrouping larger numbers.

Help your students subtract with confidence by sharing two different strategies. Use this lesson to build on students’ understanding of subtraction and to evaluate this key skill.

Adding fractions with unlike denominators just doesn't work like it does when the denominators are the same. Let's make it work! Students will add fractions with unlike denominators with sums between one and two.

Make the number work for you! Use this lesson to teach your students to add mixed numbers with like denominators using the strategy of decomposition.

What exactly does the number 97 mean? How about 454? In this lesson, students explore how two-digit numbers are made up of tens and ones. Then they use this understanding to subtract numbers within 1000.

Start your students on subtracting three-digit numbers with this lesson that breaks the problems down by place values!

Have a class that can't sit still long enough to practice their addition? This activity puts math and PE together to help your kids add up to 20 while being active!

Teach your students to add mixed numbers and improper fractions with the same denominator using the counting up strategy with number lines.

Use a fun card game to practice adding numbers in this fun hands-on addition lesson!

Get your students excited about adding by introducing them to word problems with three addends!

In this fun hands-on lesson plan, your students will get to practice identifying numbers to 10 while learning all about subtraction!

In this lesson, students will roll with numbers and identify what comes before and after a number. They will roll dice, add numbers and practice counting forward and backward from the sum.

Let’s start building numbers! Just as building skyscrapers is a visual representation of mathematics, students will use the visual representation of base-ten blocks to add—or build—onto a two-digit number.

In this lesson, students will add three-digit numbers using expanded form addition and standard algorithm addition. They'll explain their answers and highlight the steps for each of the strategies.

Every student can be a magician after this lesson in mentally adding and subtracting by 10. No previous magic training required!

Teach your students about keeping on budget with this fun holiday-based lesson. Students will add decimals in a real-life application as they choose gifts for friends and family without breaking the bank.

Jazz up your nonfiction reading and add a little color! Use this lesson with your students to teach them to cite text evidence as they answer questions by color coding.

Can your students link line plots with fractions? In this interactive, hands-on math lesson, students will learn how to use a line plot to add fractions and solve corresponding word problems.

Text formatting can add a lot of richness to how information is explained. In this lesson students will explore the organization of nonfiction texts and go on a scavenger hunt for different kinds of text formatting features.