Curated OER
Two Digit 1
In this addition worksheet, students solve 25 problems by providing correct computations illustrating their understanding of the concept.
Houghton Mifflin Harcourt
Unit 2 Math Vocabulary Cards (Grade 3)
A set of third grade math vocabulary cards include topics that range from addition properties to terms like estimate and fact family. Each sheet has two cards on it. The top half is the word printed in bold text,...
Curriculum Corner
Splashes of Spring Math Centers
Spring into math practice with a set of resources that taps into a variety of math practice. Skills include matching expressions to their definitions, a place value sorting activity, three multiplication and division games,...
Public Schools of North Carolina
Math Stars: A Problem-Solving Newsletter Grade 4
Fresh off the press, these math newsletters will challenge the problem solving skills of your young mathematicians. With an incredibly wide variety of questions covering the topics of arithmetic and geometry, these unique...
Curated OER
Fourth of July Addition and Subtraction
What is Thomas Jefferson signing? Focus on American history with this cross-curricular math puzzle. Learners utilize addition and subtraction skills to solve the mystery of the Fourth of July. All numbers are 3-digit, and there are no...
Arcademics
Swimming Otters
Otters swim through numerical gates carrying multiplication equations with a missing factor. By choosing the gate with the correct missing factor, players make the otter swim faster in the online game.
Curated OER
Math Shortcuts
Looking for a different way to introduce long division? Need a shortcut for checking multiplication answers? Then this is for you! The multiplication method uses a quick trick to check for accuracy. The division method allows learners to...
Curated OER
Backpack-tivity: An @Home Learning Activity Number Tic Tac Toe
In this addition and subtraction worksheet, students draw a tic-tac-toe grid and play the game using numbers 0-9 instead of x's and o's, respond to 1 short answer questions, and play the game once more this time using the numbers 0-12.
Curated OER
Add and Subtract within 1000
Solve these true equations; scholars examine three-digit addends, subtrahends, and minuends in these equations that are each missing one number. There is a list of possible answers to choose from, so decide whether or not you want to...
Curated OER
The Case of the Missing Numbers
In this finding the unknown numbers worksheet, learners help Detective Digit solve addition and subtraction problems, match the answers with letters, and find the name of the number thief. Students solve and match 16 problems.
Curated OER
Christmas Missing Digits I
In this mathematical computation holiday instructional activity, students find the missing numbers in addition, subtraction, and multiplication problems. There are 23 mathematical problems to complete.
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
Three-Addition Addition
In this finding the sums learning exercise, students add three-digit plus three-digit numbers with no regrouping. Students solve 20 problems.
Curated OER
What Number Am I?
In this numbers worksheet, students solve number clues to figure out 3 digit numbers. Students complete 10 problems trying to figure out the numbers.
Curated OER
Adding 0's (B)
In this addition review worksheet, students use problem solving skills to solve 50 problems that require them to add 1 digit numbers to 0.
Curated OER
Adding 9's (B)
In this addition review worksheet, students use problem solving skills to solve 50 problems that require them to add 1 digit numbers to 9.
Curated OER
Use Addition to Check Subtractions
In this addition and subtraction worksheet, students use addition to check and work out their subtraction problems. Students solve 10 problems.
Curated OER
Adding With Regrouping (A)
In this addition review worksheet, students use problem solving skills to solve 35 problems that require them to add 1 digit numbers with regrouping.
Curated OER
Adding With Regrouping (B)
In this addition review learning exercise, students use problem solving skills to solve 35 problems that require them to add 1 digit numbers with regrouping.
Curated OER
Addition
In this mental addition worksheet, students read the method for adding a series of three 2 digit numbers without paper and pencil. Students solve 16 mental addition problems.
Curated OER
Addition Exercise #3
In this addition activity, students complete 30 problems, adding 1 and 2 digit numbers together. Answers included on page 2.
Curated OER
Addition Exercise #2
In this addition instructional activity, students complete a total of 30 problems, adding 2 and 3 digit numbers. Answers included on page 2.
Curated OER
Simple Addition Using Tenths
In this addition with decimal tenths practice activity, students practice their computation skills as they solve 40 problems that require them to add 2 or 3-digit decimal numbers.
Curated OER
My Test Book: Addition and Subtraction
In this online interactive math skills worksheet, students solve 10 multiple choice math problems that require them to add and subtract using 2-digit numbers. Students may submit their answers to be scored.