Curated OER
Adding Machines
Turn your first graders into adding machines! This is a fun way to practice single-digit addition, and scholars complete 25 equations. Each machine has a function; five numbers go into the machine, are added to, and emerge on the other...
Curated OER
Number Wall
Use the number wall to practice addition, evens and odds, missing addends, and doubling. Learners answer various questions based on six numbers, filling in squares with digits. They list the odd numbers and total them, then list the even...
Curated OER
Finding 10s
For beginners to addition, sets of objects are the ideal way to make this concept understandable. For each of these sets they ring 10 and count the remaining. Then, scholars fill in the addends as 10 and the remaining number. The sums...
Curated OER
Math Lesson 17
In this math practice worksheet, 2nd graders practice their math skills of addition by completing the 20 pages of double digit addition equations. Students use the carrying method to solve.
Curated OER
Three-Digit Addition and Subtraction With Regrouping
Second graders access prior knowledge of addition and subtraction using two-digit numbers and calculate easily with them. In this three-digit addition lesson, 2nd graders learn to add and subtract three-digit numbers with and without...
Curated OER
Addition Drills, part 4
Show kids that addition has real-life applications as they add up measurements and money. There are some examples here demonstrating regrouping and including units in an answer. They complete 20 measurement addition problems, each with...
DK Publishing
Addition Practice #3
If you're in search of some basic addition drills, take a look at this for your second and third graders. There are 20 vertically aligned equations here, each with one three-digit addend and one...
Curated OER
Addition Drills, part 3
Here's an addition drill for scholars who are already comfortable with regrouping. There are 30 horizontally-aligned problems here, each with two 2-digit addends. Mathematicians use three examples as reference as they solve each of...
Curated OER
Bernardo and Sylvia Play a Game
This activity presents a game played by two learners whose solution is an exercise in creating and analyzing with algebraic inequalities.
Curated OER
Addition and Subtraction Up to Two-Digits
In this finding the sums and differences worksheet, students write the equations in the ones and tens columns and solve and also solve vertical problems with and without regrouping. Students solve 18 problems.
Curated OER
Calculations with Negative Numbers
For this algebra worksheet, students solve algebraic equations by addition with negative numbers. There are 3 questions with an answer key.
Curated OER
Addition Properties
Student study addition properties. In this addition properties lesson plan, students use multiple methods to solve various types of problems. Students illustrate and describe in various ways the Commutative Property of Addition....
Curated OER
Addition Trail Puzzles
In this addition puzzle worksheet, 3rd graders find the trail of numbers in each puzzle. They start with the number in the start position, and work their way by adding horizontally and vertically through the puzzle to reach the end sum.
Curated OER
Coordinate Addition Game
In this addition game learning exercise, students call out answers to simple addition problems using coordinates that correspond with problems. A website reference is given for additional activities.
Curated OER
Money Addition (E)
In this consumer math worksheet, students find the sums in 20 problems. They add three digit money amounts while using regrouping as needed.
Curated OER
Missing Sums and Addends
In this recognizing two-digit addition facts worksheet, students use a number line and addition facts to find the missing sums or addends in problems with and without regrouping. Students solve 20 problems.
Curated OER
Addition Riddles
In this addition riddles instructional activity, students read three clues and analyze the numbers in a 4 square grid. Students cross out numbers that do not fit the clues and determine the answer. There are 4 riddles on each page.
Curated OER
Two-Digit Addition
In this finding the sums worksheet, students use a number line to add two-digit numbers without regrouping. Students solve 20 problems.
Curated OER
Addition of Decimals (pg 1)
In this addition worksheet, students add decimals to the hundredths place in 9 problems. There are 8 problems where students add 4.99 and 4 problems adding 9.99. The worksheet works with British currency.
Curated OER
Addition Facts Less Than 24, Addends 3 to 12
In this addition facts instructional activity, students will solve 20 addition problems with sums that are less than 24 and with addends three to twelve.
Curated OER
Vector Lab
Here is a math lab that helps young mathematicians understand the real-life meaning for vector addition. By building a model using spring scales and washers as weight, and then calculating the vector addition using two different methods,...
Curated OER
Addition to Twenty
In this addition tool for creating a worksheet, learners problem solve and calculate the answers to twenty addition equations. Students show each step of their work.
Curated OER
10 More or 10 Less
Practice adding and subtracting 10 with this outer space worksheet. On the top, scholars match digits floating in stars with sums inside a spaceship. Next, they do the same with subtracting 10, connecting numbers to differences. These...
EngageNY
Adding and Subtracting Polynomials
Need a unique approach to adding and subtracting polynomials? A helpful math lesson approaches the concept by relating polynomials to base 10. It encourages pupils to see each term as having a specific value, and therefore,...