Curated OER
Add Three 2-Digit Numbers
In this adding practice worksheet, students sharpen their problem solving skills as they solve 6 story problems that require them to add three 2-digit numbers.
Curated OER
Addition With Decimals B
In this decimal addition worksheet, students solve 30 problems in which decimal numbers to the ten thousandths place are added. The first half of the page has problems shown vertically with the decimal points already lined up. The second...
Curated OER
Adding 2 to a Single Digit
In this addition activity, students solve 10 math problems in which they add the number 2 to a single digit number. The answers are on the second page.
Curated OER
Adding 9 to a Single Digit
In this addition worksheet, students solve 10 math problems in which they add the number 9 to a single digit number. The answers are on the second page.
Curated OER
Mental Maths
In this counting worksheet, students complete 22 fill in the blank problems where they are given a starting number and count by 1's, 2's, and 10's. Next. students answer 12 fill in the blank addition or subtraction problems where they...
Curated OER
Adding Fractions with Like Denominators
Students add fractions with the same denominators. In this algebra lesson, students solve fractions with common denominators. There are ten practice problems to get better at this skill.
Common Core Sheets
Finding Side Length (Given Perimeter)
Perimeter is the total distance around an object. One can find the perimeter of a rectangle or square by adding all four side lengths together. These worksheets require third graders to find the missing side length, given the...
American Chemical Society
Powder Particulars
By both demonstration and hands-on investigation, physical science fanatics come to know that some materials react when they come together. Adding vinegar to both baking soda and to baking powder, the difference between the two is clear....
For the Teachers
$1 Math
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...
Curated OER
Math in English Skills I Exercise Book: Addition and Subtraction
Whether your pupils need extra help or they simply need to practice their basic computation skills, this packet will do the trick. It includes a written rationale, answer key, and over 10 pages of double-digit addition and subtraction...
Tennessee Technical University
Carousel Brainstorm
A variation of the Walkabout Review process, carousel brainstorming directs groups to rotate through a series of stations posting ideas on the topic or question posted at each stop.
Curated OER
Word problems involving number relationships
In this Algebra I worksheet, 9th graders solve word problems in one variable that are based on relationships in numbers. The one page worksheet contains thirty problems. Answers are not provided.
Curated OER
The Number Partner
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.
Curated OER
Solving One-Step Inequalities by Adding/Subtracting
In this solving inequalities activity, students add and subtract to isolate the variable for 26 inequalities. Each solution is then graphed on a number line.
Illustrative Mathematics
“One More” Concentration
Help your primary learners develop an understanding of the concept of one more and one less using two sets of number cards. The first set of cards, all in one color, is the "one less" deck. The second set, again all in one specific...
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
Adding Mixed Fractions (B)
Use this addition instructional activity to have your learners add mixed numbers with one-digit and two-digit denominators. They solve 10 problems.
Curated OER
Add or Subtract (up to 50)
Do you add or subtract? It's up to your mathematicians as they fill in the symbol for 16 equations to make them true. The numbers in this section don't exceed 18. Next, learners answer six word problems by determining the missing addend...
DK Publishing
Adding One More, 1 More Than
Gain familiarity with numbers 0-10 with a counting and addition worksheet for beginners. Scholars examine three pairs of circles, checking off the one representing one more than the other. Then, they read illustrated number sentences and...
Houghton Mifflin Harcourt
Addition and Subtraction Facts to 20
First graders act out number stories from number cards. In order to learn about addition and subtraction up to 20 lesson, learners become the manipulatives and line up to show the number stories.
Maths Blog
Adding/Subtracting Whole Numbers in Your Head
Exercise those mental math muscles! This worksheet contains 10 addition and 10 subtraction problems which require learners to compute sums or differences in their heads. A quick review at the top of the page provides a strategy based on...
Curated OER
Choose the Operation: Plus or minus (up to 100)
Investigate the relationship between addition and subtraction as scholars fill in these number sentences, each of which is missing a symbol. Is it a subtraction or addition equation? There are 20 of these to start, all written...
Curated OER
Adding Decimals
Get your mathematicians ready to add up restaurant tabs using decimal addition problems. Using two examples to guide their processing, they find the sum of eight vertically aligned number pairs, all of which have decimals. They complete...
Curated OER
Adding 2-Digit Numbers, part 2
Looking for addition practice problems? You've found them! This worksheet features 30 double-digit addend equations and three examples to guide young mathematicians. Because they incorporate carrying for almost every problem, this...