Curated OER
Add Mixed Numbers With Like Denominators (I)
In this adding mixed numbers activity, students find the sums of whole numbers and fractions with common denominators and reduce and rename the answers. Students solve 7 problems.
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Add and Subtract Decimal Ten Thousandths (A)
In this mathematics worksheet, learners solve a number of problems by adding and subtracting decimals to the ten thousandths place. There are 32 problems to solve on the sheet.
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Same Teen Totals: Add 11-19
In this addition worksheet, students complete a total of 25 problems, circling the problems in each row that have the same sum as the problem at the beginning of the row. Students complete a writing activity about one problem. A...
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Rounding to Add
In this rounding to add learning exercise, students round addends to the nearest ten and estimate sums for 14 problems. One example is completed; a website reference is given.
Curated OER
Rounding to Add
In this rounding to add instructional activity, students round addends to the nearest ten and estimate sums. A website reference for additional resources is given.
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Sums: adding same number
In this doubles addition activity, learners add the sums of doubles addition problems with numbers up to 9. Students complete 10 problems.
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Rounding to Add #2
In this addition worksheet, students round addends to the nearest 10 to estimate sums. A website reference for additional resources is given. One example is completed for students.
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Add The Shapes
In this shape instructional activity, students add shapes and write the correct answer in the space provided. There are four problems to a page. Shapes are colorful and appear in different arrangements. An answer sheet is provided.
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Facts That Add to 5
In this addition worksheet, students write addition sentences that equal 5. Students use the 5 spaces surrounding the number four in the center of the graphic organizer and create equations with 5 as the sum.
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Add and Subtract Decimal Ten Thousandths (B)
In this decimals learning exercise, students solve 40 problems in which decimal numbers to the ten thousandth place are added or subtracted. Problems are in horizontal format and may need to be rewritten.
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Add and Subtract Decimal Hundredths (D)
In this decimal numbers worksheet, students solve 50 problems in which decimal numbers to the hundredths place are added or subtracted. Problems may need to be rewritten on another paper.
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Addition To Twenty
In this addition worksheet, students add one digit numbers written horizontally. There are 24 addition equations on this page. No answer is greater than 20. An answer sheet is provided.
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Mental Arithmetic--Adding to Thousands
In this adding to thousands worksheet, students mentally add 12 problems as fast as they can without using paper and only writing down their answers. Students solve 3 additional addition problems and then explain what method they used to...
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Add and Subtract Decimal Hundredths (C)
In this decimal numbers activity, students solve 50 problems in which decimal numbers to the hundredths place are added or subtracted. Problems may need to be rewritten on another paper.
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Sum of Angles on a Triangle
Use this lesson for a basic review of angles. While the activities discussed are outlined, there are no materials provided to make implementation possible. When using this resource, it is necessary to create worksheets and other...
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Addition Practice
For this addition practice instructional activity, students solve 60 problems that require them to add 1-digit numbers to 1 or 2-digit numbers with sums to 10.
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Fun Math 10
In this finding the sum worksheet, students add one-digit numbers plus one-digit numbers on a worksheet with a clip art next to each problem. Students solve 15 problems.
Math Mammoth
Grade 1 Worktext
Use graphing, counting, and number lines to help first graders learn about addition and subtraction. An array of worksheets and activities are an excellent resource for your math lesson, whether you are focusing on counting skills...
Teacher's Guide
Addition Odd or Even Valentine's Day
Get in the Valentine's Day spirit with an addition worksheet. Scholars solve problems and color answers different colors depending on whether they are even or odd.
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And 4 More Makes...
How many will there be if we add four more? Scholars examine sets of sports balls, drawing four more and totaling them. Sums in these four problems don't exceed 10, and the numbers 0-10 are written below for learners to reference as they...
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And 5 More Makes...
By drawing five more objects to existing sets, scholars begin to understand the concept of addition. They count pails and draw five more, totaling them and recording the sums. There are three of these followed by four more similar...
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Radical Expressions: Add and Subtract
In this radicals worksheet, students simplify the sum or difference of radical expressions. There are 11 multiple choice questions.
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Santa's List Sums (A1)
In this Christmas math worksheet, students find the sum of boys and girls who live on fifteen different streets. Students also add how many children there are all together.
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Add It Up
First graders engage in a instructional activity that gives the research basis for the use of manipulatives for the basic operations in mathematics. They use the variety of tools to solve basic problems. The instructional activity has...