Curated OER
Number Sense
First graders practice rounding 4 digit numbers using place value concepts. In this estimating sums and differences lesson, 1st graders explore clustering, rounding, and front end estimation as methods for rounding decimals.
Curated OER
What Do I Really Have to Gain?
Second graders further develop simple addition facts and their ability to record the facts.
Curated OER
The Math Lesson 19
In this addition practice worksheet, students use their problem solving skills to solve 200 problems that require them to add 2 and 3 digit numbers with carrying.
Curated OER
Adding: Written Questions
In this problem solving worksheet, students answer addition questions. In this written questions worksheet, students solve ten problems.
Curated OER
Adding a Single Digit
In this addition worksheet, students mentally add 20 single digit numbers to 20 three digit numbers as fast as they can without working them out on paper. Students then add 5 additional single digit numbers to 5 three digit numbers and...
Curated OER
Complete Number Sentences
In this addition worksheet, students solve 14 problems in which the missing addend in an addition problem is filled in. All problems will have a sum of 100.
Curated OER
Make 80
In this addition worksheet, students solve 15 addition and subtraction problems using 2-digit numbers. The answers are on the second page.
Curated OER
Heart Addition
In this addition instructional activity, 1st graders add the single digit equations and color the hearts with sums less than 10. Students solve 25 problems.
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Addition and Subtraction
In this addition and subtraction worksheet, students figure out the correct number to place in 8 boxes without doing the addition and subtraction sums.
Curated OER
Adding Integers
In this integer worksheet, students solve 12 problems, adding integers. Answers and hints are available on-line; a reference web site for additional resources is given.
Curated OER
Rewrite to Add: Homework
In this rewrite addends worksheet, students learn how to rewrite addends to add the given addition sentences. Students use the graph to help them rewrite the addends and then solve the five problems.
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Addition of Decimals
In this addition of decimals activity, students solve 9 addition problems only in their heads and write down their answers. Students add $5.99 to 8 amounts of money and $9.99 to 4 amounts of money.
Curated OER
Addition of Decimals
In this addition of decimals instructional activity, learners work out 9 addition problems in their heads, add $4.99 to 8 amounts of money and $9.99 to 4 amounts of money.
Curated OER
Adding Two Digit Numbers with Using Dimes and Pennies
Second graders participate in a math game using dimes and pennies. They practice combining coins to make a given amount of money, and they use the combinations to practice adding two digit numbers. Teacher assessment strategies and...
Curated OER
Addition and Subtraction, Multiplication and Division Review
Students must use their mathematical reasoning skills in order to make four math statements true by filling in the boxes with the correct digits. Addition, subtraction, multiplication, and division problems appear.
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Mental Math for Adding Decimals
Fifth graders work in groups to practice adding decimals. In this adding decimals lesson, 5th graders call out different money amounts to each other and mentally add the coins called out. Students take turns calling out and adding the...
Curated OER
Care Homework #7
In this care homework worksheet, young scholars add, subtract, multiply and divide integers. They multiply and divide fractions. Students complete percent problems and determine the area of polygons. This...
Houghton Mifflin Harcourt
Unit 2 Math Vocabulary Cards (Grade 4)
The 28-page resource contains cards with terms relating to multiplication from inverse operations to front-end estimation to array. Each sheet contains two cards; one with the word and one with the definition.
DK Publishing
Fishing for 10
Young counters will enjoy this beginning addition activity; they get to color as they go! For each set of 10 fish they color some green and leave some white. Then, they fill in the blanks to create an addition sentence with the sum of...
Curated OER
Make 50
In this addition worksheet, students figure out the missing numbers in 8 addition problems that equal the sum of 50. Students write down all the pairs of even numbers with a total of 50 and all the different pairs of even numbers with a...
Curated OER
Adding and Subtracting Integers
In this adding and subtracting integers activity, students find the sum or difference of 9 problems. Students then evaluate 4 expressions given certain values.
Curated OER
Ring Toss Math
Young mathematicians play Ring Toss Math to find sums and differences to 18. If you're looking for an engaging, in-class game to help reinforce these mathematical concepts, this lesson could be for you!
Curated OER
You Know the Answer: Math Riddle
Although the riddle is an outdated political reference, this math challenge is a good practice in operations and domain-specific vocabulary. Learners complete 18 problems, using multiplication, division, subtraction, and addition. Some...
Curated OER
Adding - Written Questions
For this addition worksheet, students solve the 10 subtraction problems and write the answers in the boxes. The problems involve adding a 2-digit number to a 2-digit number. The answers are on the second page.