Curated OER
Investigation-Reasoning and Proof
Third graders determine the outcome of each of the following situations and justify their findings: even number + even number = ?, even number + odd number = ?, odd number + odd number = ?, and odd number + even number = ?.
Curated OER
Adding and Subtracting Integers: The Symbols + and -
This worksheet begins with an explanation of how to add and subtract positive and negative integers. Learners solve and complete 20 different problems that include these types of problems. First, they fill in each blank with the correct...
Curated OER
Facts of Five
This is a great math station partner game! Using the provided ten-frame cards, learners practice creating addition problems with a sum of 5. Each card has a number between 0 and 5, and pairs shuffle and lay out five of them. They take...
Curated OER
Math Squares
It's Sudoku for beginners! Well, not exactly, but these math squares offer a fun way to practice addition for your students. Each of the sixteen 3x3 squares has four numbers filled in. Scholars add the numbers across and down, then use...
Curated OER
Addition Worksheet
In this addition learning exercise, students will determine the sum of 20 double digit addition problems where they must utilize regrouping.
Curated OER
Fun Math Worksheet 46
In this addition worksheet, students add five digit numbers together to find a sum. Students complete 15 addition problems with and without regrouping.
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Fun Math Worksheet 48
In this addition learning exercise, students add five digit numbers together to find a sum. Students complete 15 addition problems with and without regrouping.
Curated OER
Missing Number
First graders examine how to use a symbol and shape variable to represent a missing value in a mathematical equation. They listen to the book "Fish Eyes" and "One Less Fish," and observe the teacher write an equation represented for each...
Curated OER
To Be a Triangle Or Not To Be a Triangle?
In this triangles worksheet, 10th graders solve and complete 10 different problems that include applying the Triangle Inequality Theorem. First, they use the illustrated triangles and the data table to test the theorem. Then, students...
Illustrative Mathematics
A Bobbie Bear's Buttons
Young mathematicians help Bobbie Bear pick colored buttons out of a box as they learn how to decompose numbers less than 10 into pairs of smaller numbers. To support young scholars with the process, consider creating a worksheet or...
Curated OER
Names for Numbers
In this mathematics worksheet, 1st graders identify various numbers and use counters to illustrate each fact given. Then they complete the math sentences correctly.
Curated OER
Add/Subtract Radicals College Prep Algebra
For this radical worksheet, learners add and subtract radicals containing positive and negative integers, variables, and exponents. They find the sum or difference for up to three terms in each equation. This worksheet contains 28 problems.
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Signed Numbers and Order of Operations Ii
In this signed numbers worksheet, 8th graders simplify integer problems through addition, multiplication, division, or subtraction. The majority of the 26 problems contain a minimum of 3 integers, and some more. Four problems contain...
Curated OER
Addition
Looking for addition drills for your scholars to practice adding one and two-digit numbers? You've found it! Mathematicians examine an example before finding the sum of 16 equations, each of which involves one 2-digit addend and one...
Curated OER
Butterflies and Addition Sentences Worksheet
These butterflies need some color! Learners solve each of the nine single-digit addition problems to discover what color each butterfly will be according to the color key. The sums are between 1 and 10, and not all numbers will be used....
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Perimeter of Polygons in Word Problems
Can your scholars find the perimeter of Peter's square of gold? They examine the shape and are given it's four equal side measurements in millimeters. Learners solve for the perimeter and should be reminded to include units in their...
Curated OER
Turtle Coloring Puzzle (Addition and Subtraction Facts to 5)
Combine addition and coloring with this simple instructional activity featuring a picture of a turtle. Learners color by number, but they must find the sum or difference of simple addition and subtraction problems to find each number....
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Mentally Add and Subtract 10 or 100
Don't let the title of this one fool you; scholars skip count only by 10 in this number sequence activity. They fill in missing numbers on a number line to complete each sequence, adding or subtracting 10. There are two addition problems...
Curated OER
Add and Subtract within 20
Here is a more interesting way to practice addition and subtraction number sentences. Learners complete two sum boxes, adding across and down then totaling for a final sum. They do the same with subtraction in two more boxes. Finally,...
Curated OER
Number Lines and Whole Numbers
Number lines are a great way to help beginning mathematicians comprehend addition and subtraction. They examine an addition equation and find the sum using the number line. Learners indicate the sum on the line and write it into the...
Curated OER
Related Addition and Subtraction
Can your scholars match these fact families? There are eight number sentences listed here, both addition and subtraction. Learners scan a list of eight other equations, matching each original with one that is in its fact family. All...
Math Worksheets Land
Add up to Four Two-Digit Numbers - Independent Practice Worksheet
How many addends can you add up? Challenge your scholars to expand their skills by finding the sum of up to four addends in these 10 practice problems. All the numbers here are double-digit and learners will practice regrouping. This...
Curated OER
Match the Sums and Differences Worksheet
Because these eight addition and subtraction equations are written horizontally, learners will need to either re-write them or use mental math to solve them. Depending on your objectives, either would be a fine use of this worksheet....
Math Worksheets Land
Add up to Four Two-Digit Numbers - Step-by-Step Lessons
Okay, so your scholars are excelling at two-addend addition problems, but what about three or four? Here are some practice problems to stretch their math skills. They find the sums of six equations: two with two addends, two with three...