Curated OER
Two-Digit Addition and Subtraction (B)
In this adding and subtracting two-digit numbers worksheet, students find the sums using mixed regrouping and no regrouping. Students solve 49 problems.
Curated OER
Adding Small Numbers
In this addition with picture clues instructional activity, students solve 4 problems in which numbers below 5 are added and the correct answer circled from 3 choices. The second page has teacher tips.
Curated OER
Adding Two- and Three-Digit Numbers
In this adding two- and three-digit numbers worksheet, students, with a partner, problem solve and calculate the answers to eight mathematical word problems and equations.
Curated OER
Comparing Numbers (up to 999)
In this number comparison worksheet, 4th graders compare 14 pairs of numbers and place either the greater than or less than symbol between each. They order 7 sets of numbers from least or smallest to greatest.
Curated OER
Add Two-Digit Numbers
In this addition instructional activity, students solve 4 story problems in which two-digit numbers are added, with and without regrouping.
Curated OER
Adding Decimal Numbers
In this decimal numbers worksheet, students practice working and problem solving twelve decimal math problems utilizing the process of addition.
Curated OER
Two-Digit Addition With Regrouping
Second graders practice two-digit addition with regrouping. In this addition lesson, 2nd graders use craft sticks to solve two-digit regrouping problems. Students solve problems on the chalkboard.
Curated OER
Two-Digit Addition All Regrouping (A)
In this addition worksheet, students solve 36 problems in which two digit numbers are added with regrouping. There is no instruction or example on this page.
Curated OER
Single Digit Addition Facts
In this addition activity, students solve 20 problems in which single digit numbers are added. These are basic addition facts in vertical format.
Curated OER
Two Digit Addition (Version 4)
In this addition worksheet, students solve 40 problems in which two digit numbers are added, with and without carrying. There are no examples on the page.
Curated OER
Doubling Two Digit Numbers (All Problems) Version 2
In this addition worksheet, students solve 40 problems in which two digit numbers are doubled. There will be carrying in some of the problems. Example: 79 + 79.
Curated OER
Single Digit Addition
In this addition worksheet, 1st graders focus on adding single digit numbers. Students solve for 24 horizontal problems with no regrouping necessary.
Curated OER
Single Digit Addition #5
in this addition worksheet, students complete 18 problems, adding single digit numbers. A reference web site is given for additional activities.
PB Works
Numbers Lesson 3 - Hershey Bar Fractions
Talk about delicious math! Pupils solve problems involving rational numbers and analyze real-life problems to find solutions in a pre-algebra class. They discuss the sections of a Hershey's bar in terms of fractions and decimals before...
EngageNY
The Geometric Effect of Some Complex Arithmetic 1
Translating complex numbers is as simple as adding 1, 2, 3. In the ninth lesson in a 32-part series, the class takes a deeper look at the geometric effect of adding and subtracting complex numbers. The resource leads pupils into what it...
Curated OER
Making 100 By Adding
For this addition worksheet, students create number problems that equal 100. In this fill in the blank worksheet, students generate ten addition problems.
Curated OER
Adding with Andy
A nicely-designed six-page packet of addition worksheets is here for you. Actually, it's a four-page packet. The final two pages are the answer keys. All 96 problems are one-digit addition problems and should provide good practice for...
EngageNY
The Geometric Effect of Some Complex Arithmetic 2
The 10th lesson in a series of 32, continues with the geometry of arithmetic of complex numbers focusing on multiplication. Class members find the effects of multiplying a complex number by a real number, an imaginary number, and another...
Curated OER
Rational Number Project
Infuse your unit on fractions, decimals, and operations with a thorough module about rational numbers. With a teaching guide, learner examples, templates for instruction, and lesson rationale, the module is a solid way to emphasize the...
California Education Partners
Cady's Cats
How much can a cat eat? The five-question fraction assessment asks pupils to determine the fractional portion of a food box eaten by cats. Learners show their proficiency in adding and subtracting fractions using several scenarios...
DK Publishing
Adding to Sets
After adding to several sets of shapes, scholars count the number in each set and write the total in a box. There are four sets here calling for one, two, three, and four more shapes to be added to the existing figures. A final bonus...
DK Publishing
Adding with 3-digit Numbers #2
These 25 addition problems each have two 3-digit addends, and many require regrouping. There are three examples to guide learners in all the types of problems they encounter, including the last set of five which have four-digit sums....
Virginia Department of Education
Integers: Addition and Subtraction
Young mathematicians construct their own understanding of integers with an inquiry-based math lesson. Using colored chips to represent positive and negative numbers, children model a series of addition and subtraction problems as they...
Illustrative Mathematics
Boys and Girls, Variation 2
How many ways can you make the number 9? Use a task that has pupils thinking about the many different ways a classroom of nine can be made up of boys and girls.
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