Curated OER
Addition With a Number Line: 0 to 8
In this addition instructional activity, learners solve 12 problems in which numbers from 0 to 8 are added. Students may use the labeled number line provided.
Curated OER
One-Digit Addition (A) - Horizontal Addition Practice
In this elementary math worksheet, 2nd graders complete 33 horizontal addition problems. They work with one digit addends in each problem.
Helping with Math
Addition - Three 3-Digit Numbers
There are 20 addition problems on this assignment, all of which require the addition of three three-digit numbers. All of them will require some regrouping to solve. This is terrific arithmetic practice to assign as homework. An answer...
Curated OER
Number Line Addition
In this addition worksheet, 2nd graders add single digit numbers. Students complete 12 horizontal problems using the number line provided at the top of the page.
Curated OER
One digit addition problems
In this addition instructional activity, students solve the one digit addition problems for the sums and missing addends. Students complete 10 multiple choice questions.
Math Salamanders Ltd.
Column Addition—3 Digits Multi-Addends Sheet 1
For this column addition worksheet, students complete 16 problems involving adding two- and three-digit numbers. A reference website is provided for additional activities.
Math Salamanders Ltd.
Adding Decimals Tenths Sheet 2
In this adding decimals worksheet, learners solve 60 addition problems. Both addends in each problem are decimals; in some problems, three decimals must be added.
Curated OER
Missing Addends
In this early childhood math practice worksheet, students use their problem solving skills to solve 6 story problems that require them to add.
Curated OER
Missing addend - 2 through 10
In this missing addend worksheet, students fill in the missing addends to the problems where the answers are given. Students put numbers in place of cubes to create number sentences for 16 problems.
EdHelper
Addition: Missing Number Fill In
For this addition worksheet, learners fill in a missing addend to solve 23 problems. Worksheet is part of a subscription site with links and is labeled as a sample.
Curated OER
Math Review Questions
In this problem solving worksheet, middle schoolers calculate and solve 52 questions or equations having to do with a variety of math concepts and strategies.
Curated OER
Use the Associative Property
In this multiplication practice worksheet, students sharpen their problem solving skills as they solve 6 story problems that require them to use the associative property.
Curated OER
Complete the Number Sentences
In this addition worksheet, students use three digit addition and solve for missing addends. Students master 15 problems filling in the missing numerals for each.
Curated OER
Add Groups of Ten
In this addition worksheet, 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.
Curated OER
Addition: Number Bonds to Fifty
In this identifying numbers that total fifty worksheet, students use an addend and the sum fifty to write the missing number. Students solve 41 problems.
Curated OER
Investigation - Snack TIme
Students explore solving addition and subtraction problems. They solve real life problems. Students participate in a simulation activity to find the missing addend. They demonstrate adding and subtracting whole numbers.
Curated OER
Unknown Numbers in Sums and Differences - Step-by-Step Lesson
First grade mathematicians will love to monkey around with an illustrated word problem involving missing bananas. They must decide how many bananas the monkey ate by counting the remaining bananas and by counting the number Lee had and...
Curated OER
Math: Navigating the World Around Me
Young mathematicians research and discuss real world math word problems and ways in which they apply math concepts in their everyday lives. They create a storyboard of a math word problem from which they create a slide for a multi-media...
Curated OER
Bears in a Box
First graders count bears to predict missing addends. They analyze the missing addend sentence: 7 + ? = 10 and count up from 7 to 10 and check to see if there are 3 bears in the box.
Curated OER
Math Lesson Plan : Finger Counting
Create a class of mathematics master. They practice addition to ten until they have mastered the skill. They use their hands to add numbers and eventually find the missing addend to make a sum of 10. They also subtract a single digit...
Curated OER
Word Problems: Addition and Subtraction
Word problems build reading comprehension and problems solving skills. Here is a set of 10 basic word problems that involves both addition and subtraction using the numbers 1-10.
Curated OER
Addition Practice
Give your mathematicians a leg up on simple addition using this worksheet with visual aids. Similar to counting cubes, each single-digit addend is accompanied by a corresponding number of colored squares. The two colors are...
Curated OER
Estimate Sums: Homework
In this estimating sums worksheet, learners round each addend to the nearest ten using the number lines. Students then estimate the sum for each addition problem.
Curated OER
Two-Digit Addition
In this two-digit addition practice worksheet, 4th graders solve 15 addition problems where either one or both addends at two-digit numbers.