Curated OER
Add Three Numbers - Leveled Problem Solving
There are many ways to add. Learners add 3 single digit number together to find an answer to each of the 6 word problems. A great worksheet that builds problem solving and basic addition skills.
Curated OER
Addition With three Addends
Your class can use this instructional activity to practice addition with three addends. Each of the 20 problems requires them to add 3 single digit number together to find a sum.
Curated OER
Number Bonds
Being able to recognize number bonds that make 10 is a great way to help learners add 3 digits together. First they make 10 by adding two numbers together, then they assess 3 digit addition sentences, where they make 10 first then add-on...
Curated OER
Practice Adding
Challenge your first graders with 24 addition problems. The first section of problems use numbers from 5 to 64, while the second section contains problems adding three numbers together. The last few problems prompt young mathematicians...
Curated OER
Add and Subtract to Get Four
Explore the many paths to get to four in this addition and subtraction worksheet! Learners walk through the steps of the options: adding two numbers, adding three numbers, and subtracting two numbers. They examine which numbers could be...
Curated OER
Doubles and Halves 3
Build mental math skills by teaching learners to double and half three-digit numbers. They start out by doubling one of seven double-digit numbers. Next, they discuss their strategy, and then practice doubling and halving 3-digit...
Curated OER
Add Three Single Digits
The focus of this lesson is practice. Included are 14 worksheets each containing 10 simple single digit problems, where 3 digits are added together to find a sum. Problems are presented in both horizontal and vertical fashion. Note: This...
Curated OER
Addition Drills, part 5
Show scholars that if they can add up two addends, they can also add up three. Review the examples together before letting scholars try these 25 addition problems, each with three double or single-digit addends. Two of these add up to...
CK-12 Foundation
Expression Evaluation with Different Denominators: Adding Mixed Fractions of Water
An interactive challenges mathematicians to add mixed fractions with unlike denominators. Five questions—fill-in-the-blank and multiple-choice—build from one to the next leading the way to an open discussion about denominators and...
Curated OER
Everyday Problems
Bring math into the real world with these scenarios which have scholars adding and subtracting money and measurements. There are five word problems here. One involves three addends, another decimals, and another prompts learners to find...
Curated OER
Two-dimensional Number Patterns
In this online two-dimensional number patterns worksheet, students solve eight in-depth two-dimensional number patterns. Students check their answers as they go.
Curated OER
Adding Two Three-Digit Numbers
In this mathematical adding equations instructional activity, students problem solve sixty equations by adding together two three-digit numbers.
Curated OER
Adding Two- and Three-Digit Numbers
In this addition learning exercise, 4th graders add together 13 two and three-digit numbers with two and three numbers in each addition math problem.
Math Centre
Fractions: Adding and Subtracting
Young mathematicians piece together the puzzle of fractions. Starting with the addition and subtraction of fractions with like denominators, this series of example problems and skills practice exercises transitions students to working...
Primary Junction
Adding Tens
Build on your learners' confidence in quick addition as they discover strategies to add tens to two-digit numbers. After reviewing counting by 10's, they discuss tactics to add multiples of 10 to other numbers. They visualize how to...
Curated OER
Addition Word Problems #2
Expose scholars to the ways addition is constantly used through 15 word problems. Many of these have more than two addends, and several involve money math and adding numbers with decimals to the hundredths place. Learners also must use...
West Contra Costa Unified School District
Adding Numbers
Support math instruction at home with a helpful reference sheet designed for parents. Three pages cover the subject of addition with written details and labeled pictures.
Curated OER
Add Whole Numbers
In this addition worksheet, students solve 6 problems in which larger numbers will be added with carrying. These are story problems. Students write the number sentence needed and solve.
Curated OER
Mentally Add Larger Numbers
Using what they know about adding 10s and 100s, learners attempt to mentally solve 18 addition problems. Each problem requires them to think of the nearest 10 or 100, add them together, then add the remaining units.
DK Publishing
Real-Life Problems, Large Numbers
Do your fourth graders have a hard time showing their work when solving word problems? This helpful worksheet provides two separate spaces for students to show their work and to fill in the answer. The first problem is solved for them as...
Curated OER
Magic Number
Students create addition sentences. They review number lines and how to jump between numbers to solve equations. They play the "Magic Number" game by using a spreadsheet and guessing numbers. They discuss how they found the magic numbers.
Curated OER
Adding Three Digits
Second graders use cards to create 3-digit addition problems and add them together. In this addition lesson plan, 2nd graders add numbers with and without regrouping. Students use a deck of cards to play an addition game in pairs. A very...
Curated OER
Putting the Pieces Together
Children explore fractions on a conceptual level by making individual quilt squares. Each student works with small paper swatches to divide them into pieces that represent a given fraction. The class is then separated into groups and...
Mathematics Assessment Project
Using Positive and Negative Numbers in Context
Measure the temperature of your math class with a temperature-based lesson on adding and subtracting rational numbers. The thermometer serves as a vertical number line for learners as they work together to solve a temperature change...