Curated OER
Sum of Interior Angles
For this sum of interior angles worksheet, 10th graders solve 10 different problems that are related to determining the sum of various interior angles in figures. First, they determine the sum of the interior angles of a dodecagon. Then,...
Curated OER
Mentally Add Two 2-Digit Numbers pg. 1
Mental math addition is the focus of this worksheet. Learners apply a strategy outlined in the worksheet to find the sums. In this worksheet, students find the answers for twenty problems. Answers appear at the end.
Curated OER
Add Groups of Ten
In this addition instructional activity, students add groups of tens and their remainders to determine the missing addends in the pairs of 2-digit problems and then find the sums. Students solve nine problems.
Curated OER
Butterfly Addition: Color by Numbers
Children learning to add numbers up to 11 develop the strategy of using the larger number as the first addend and counting on from there to find a sum. They define addition and review the meaning of the plus (+) symbol. To practice, they...
Curated OER
Using 10 to Add 7, 8, and 9
In this adding worksheet, students learn to make a ten when adding the numbers 7, 8,or 9. After looking at the examples, students solve 10 problems with addition facts.
Curated OER
Negative Numbers Practice Sheet
Fourth and Fifth graders should benefit from this negative and positive number addition worksheet. There are 90 problems to solve; each has a negative number plus a positive number. There are also a few subtraction problems sprinkled in...
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Addition and Subtraction of Integers 1.1
In this integer worksheet, students add and subtract positive and negative numbers. Equations contain two to three terms with a mixture of finding the sum and difference of terms. This worksheet contains 44 equations.
Curated OER
Addition: Three Addends
Learners add three single-digit addends to find their sums. There are 10 practice problems whose answers range from 0-10.
Houghton Mifflin Harcourt
Unit 1 Math Vocabulary Cards (Grade 5)
Associative property of addition, exponents, and variables are a few of the terms that a set of flash cards includes and are designed to support math vocabulary instruction. Cards offer a a bold-faced font as well as a thorough...
Pedago Net
Acing Math
Deal me in! Elementary and middle school classes will love this selection of math games, all involving a deck of cards. From fractions to exponents to rounding up and down, the games cover such a variety of skills that your classroom...
Curated OER
Santa's List Sums
In this two-digit addition worksheet, 3rd graders add 17 sets of two-digit numbers and write each sum. A 3-part bonus question requires students to add all 17 numbers together.
Curated OER
More Santa's List Sums
In this two-digit addition worksheet, 3rd graders add 17 sets of two-digit numbers and write each sum. A 3-part bonus question requires the students to add up all 17 two-digit numbers.
Curated OER
Addition Worksheet #10
In this addition worksheet, students add 3-digit numbers, in groups of three. All problems are written in column form. Students will have to "carry" numbers. There are 16 addition equations on this one-page worksheet. An answer key is...
Curated OER
Addition Worksheet #7
In this addition worksheet, students add three digit numbers to three digit numbers. All equations are written in columns. None of the combination of numbers are greater than 10, therefore, there is no "carrying" in this worksheet. ...
Curated OER
Addition Without Regrouping
In this finding the sums worksheet, learners use a number line to help add one-digit and two-digit numbers with no regrouping. Students solve 20 problems.
Curated OER
Rice Cookies Addition
Fourth graders practice adding rice cookies. In this mental math lesson, 4th graders get into groups and call out numbers to each other to add mentally. Students use the rice cookies to show the answer.
Curated OER
Apple Addition - To Sums of 10
In this addition worksheet, students add columns of one-digit numerals. They write their answer in the apple provided below the addition equation. There are 25 problems on a page and four pages are provided. Sums are not greater than 10....
Curated OER
Practicing Addition Strategies
In this math worksheet, students add the numbers 5 and 6 using two different methods. They first count up from six. Students say seven, eight, nine, ten, eleven to get to their answer. The second method is to use doubles. They think five...
Curated OER
Secret Code Riddles: Addition & Subtraction
In this riddle learning exercise, students use mathematics to break a secret code. They solve addition and subtraction problems to discover the answer to given riddles. There are 9 riddles, with an average of seven to nine problems to...
Curated OER
Number Line Addition Problems
In this addition worksheet, students use a number line to help them find the sums to 12 single digit addition problems. They use a number line that contains the numbers 0 - 10.
Curated OER
Money Addition (F)
In this money addition worksheet, student find the sums of money amounts up to the tens place. They regroup as needed in each problem.
Curated OER
Addition of Numbers (Under 100) - Guided Lesson Explanations
Rather than a learning exercise, this teacher resource is a one-page, scripted answer sheet for a guided lesson on the addition of numbers under 100. While the pupil handout is missing, the teacher guide could be reformatted for...
Curated OER
Thanksgiving Addition: Worksheet 10
Find the sum of the nineteen addition problems on this Thanksgiving-themed learning exercise. Your class will practice adding two 2-digit numbers with regrouping. There is also one word problem to be solved.
Curated OER
Addition and Subtraction Facts to 20 - Manipulative
Here is a good lesson plan that will allow your student to practice their addition and subtraction facts to 20. They practice facts using fact cards and practice strategies such as doubles strategies, and count to 10 strategies.