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Lesson Plan
Curated OER

Worksheet 31 - Infinite Sum

For Teachers Higher Ed
In this infinite sum worksheet, students identify an infinite geometric series, and use the Riemann sum. This one-page worksheet contains 6 multi-step problems.
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Worksheet
Curated OER

Dividing by Ten Riddle

For Students 3rd
In this dividing by ten riddle activity, 3rd graders solve ten word problems, all dividing by ten, then use the answers to solve a riddle.
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Lesson Plan
EngageNY

Solving Problems by Finding Equivalent Ratios

For Teachers 6th Standards
Combine total quantities and equivalent ratios in problem solving. The fifth lesson in a series of 29 presents problems that can be solved using equivalent ratios. Pupils use part-to-part ratios and either sums or differences of the...
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Worksheet
Curated OER

Subtraction Word Problems #1

For Teachers 2nd - 3rd Standards
Practice subtraction skills and word problem strategies with your second graders. After reviewing the example at the top of the page, learners solve 14 word problems involving subtraction. A great way to practice mental math!
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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 simple sums.
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Worksheet
Curated OER

Adding Ten

For Students 1st
In this addition worksheet, 1st graders practice adding 10 to single digit numbers to find the sums in 14 horizontal problems. They work on a page that is decorated with a clip art bunny and duck.
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Worksheet
Curated OER

Adding Ten

For Students K - 1st
In this addition worksheet, learners practice adding 10 to single digit numbers to find the sums in 14 horizontal problems. They work on a page that is decorated with a photographs of a duck and a bird.
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Worksheet
Curated OER

Find the Sums (Under 100)

For Students 1st - 2nd
All of these sums are under 100: learners practice with three types of addition problems, each with two equations. First, they add a double-digit and single-digit number. Then, scholars add two double-digit numbers, one being a multiple...
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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...
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Worksheet
Curated OER

Estimate Sums: Reteach

For Students 3rd - 4th
In this estimating sums worksheet, students review two steps to help them estimate to find sums. Students then round each addend to the nearest ten and use the number line for help. Students estimate the sums and write the numbers on the...
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Worksheet
Curated OER

Make 10 to Add: Practice

For Students 2nd - 3rd
In this adding to 10 learning exercise, students learn how to solve addition problems with sums greater than 10 by first making ten and adding in the remaining numbers. In the second set, students find the missing number to add to ten to...
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Worksheet
Curated OER

Adding Two Numbers

For Students 3rd - 4th
Keep addition drills interesting by varying the exercises. There are four separate sections here for youngsters to solidify their understanding of adding three-digit addends. First, they calculate eight vertically aligned equations,...
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Lesson Plan
Illustrative Mathematics

A Bobbie Bear's Buttons

For Teachers Pre-K - 1st Standards
Young mathematicians help Bobbie Bear pick colored buttons out of a box as they learn how to decompose numbers less than 10 into pairs of smaller numbers. To support students with the process, consider creating a worksheet or graphic...
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Worksheet
1
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Curated OER

Valentine's Day Chocolates Mystery- Sums to 198 (D)

For Students 2nd - 3rd
You can find love anywhere, even in a math worksheet! Second graders solve 27 problems in which they add 2 digit numbers to 2 digit numbers with and without carrying. When they are finished, they use their answers to solve a riddle.
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Worksheet
Curated OER

Add Totals from Ten to Eighteen

For Students K - 1st
For this finding the sums worksheet, students add two colored shapes, write the numerical equation, and solve. Students solve 6 problems.
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Lesson Plan
Illustrative Mathematics

Make 9

For Teachers Pre-K - 1st Standards
Learning how numbers are put together as parts and wholes is a big step in building the foundational number sense of young mathematicians. Here, children are given a number less than 10 and are asked to find as many pairs of numbers as...
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Lesson Plan
Curated OER

The Number Partner

For Teachers 1st
First graders study number pairs and identify number pairs that sum to numbers from 10 to 30. They use number pairs to solve addition and subtraction problems. They make sensible estimates and check the reasonableness of answers.
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Worksheet
Curated OER

Add One-Digit Numbers

For Students 1st - 2nd
In this one-digit vertical addition learning exercise, learners add pairs of numbers to find the sums to seventeen. Students solve 12 problems.
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Worksheet
Curated OER

Double Digit Addition to 100: Crossword Puzzle

For Students 2nd - 3rd
In this double digit addition to 100 worksheet, students will find sums and record the number words in a crossword puzzle format.
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Worksheet
Curated OER

Visual Sum and Difference Word Problems - Independent Practice

For Students 1st - 3rd
The ten prompts on this activity are intended for independent practice with addition and subtraction of numbers up to 3000. Space is provided for pupils to illustrate their work. The confusing wording of some the problems would be a...
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PPT
Curated OER

Year 5, Term 2, Unit 9 - Day 1

For Teachers 4th - 8th
A well-designed presentation can help your class with a variety of mathematical concepts. Pupils practice many different computational skills, such as addition, subtraction, finding multiples of 10, working with decimals, and solving...
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Worksheet
Curated OER

Add Groups of Ten

For Students 2nd - 3rd
In this addition instructional activity, students add groups of tens and their remainders to determine the missing addends in the pairs of 2-digit problems and then find the sums. Students solve nine problems.
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Worksheet
Curated OER

Using 10 to Add 7, 8, and 9

For Students 1st - 2nd
In this adding worksheet, students learn to make a ten when adding the numbers 7, 8,or 9. After looking at the examples, students solve 10 problems with addition facts.
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Worksheet
Curated OER

Addition: Three Addends

For Students 1st - 2nd
Learners add three single-digit addends to find their sums. There are 10 practice problems whose answers range from 0-10.