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Worksheet
Curated OER

Estimating Fractions and Sums

For Students 4th - 5th
What is a quick comparison, and how can it help you estimate sums and differences? For this estimation worksheet, learners estimate fractions in addition problems. They complete four problems where they estimate the sums after reviewing...
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Worksheet
Curated OER

Find the Sums (Under 100)

For Students 1st - 2nd
All of these sums are under 100: learners practice with three types of addition problems, each with two equations. First, they add a double-digit and single-digit number. Then, scholars add two double-digit numbers, one being a multiple...
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Lesson Plan
Curated OER

Add and Subtract

For Teachers 1st - 2nd
Like the cubs in A Fair Bear to Share, your 2nd grade class will practice adding and subtracting double-digit numbers by grouping, regrouping, and sorting a collection of objects. This requires many resources, but it is well worth the...
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Worksheet
Curated OER

Unknown Numbers in Sums and Differences - Step-by-Step Lesson

For Students 1st
First grade mathematicians will love to monkey around with an illustrated word problem involving missing bananas. They must decide how many bananas the monkey ate by counting the remaining bananas and by counting the number Lee had and...
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Lesson Plan
Curated OER

Investigation-Reasoning and Proof

For Teachers 2nd - 3rd
The class explores even and odd numbers.They discuss the results when even numbers are added and when odd numbers are added together. Then work in pairs to find other odd and even pattern examples.
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Lesson Plan
Curated OER

Addition Facts to Ten

For Teachers K - 1st
In this math worksheet, students learn to solve sums below 10. Students also learn the words "plus" and "sum" by solving 20 addition problems with words.
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Lesson Plan
Pennsylvania Department of Education

Let's Learn Those Facts: Looking Back and Moving Forward

For Teachers Pre-K - 2nd
Students participate in an adding game. In this adding numbers instructional activity, students calculate the sum of the dice and remove a number from their activity sheet.  Students who first removes the numbers is the winner.
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Worksheet
Curated OER

Multiplication Math Problems

For Students 2nd - 4th
In this multiplication worksheet, students practice problem solving 18 horizontal multiplication problems involving double-digit whole numbers.
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Lesson Plan
Curated OER

Going Fishing

For Teachers K - 1st
For this addition facts lesson, learners recognize the numbers and are able to add simple problems by participating in a fishing game. Students use a fishing pole with a washer on the end to fish for magnetic fish made out of foam....
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Worksheet
Curated OER

Use the Clues

For Students 2nd
In this reasoning instructional activity, 2nd graders, after looking over the example, read 3 clues 3 times to find the 3 numbers that make each sum in 3 boxes.
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Worksheet
Curated OER

Estimating Sums and Differences

For Students 4th
In this estimation activity, 4th graders estimate the sum or difference of 15 math problems. Students write their answers underneath each math problem on the activity.
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Worksheet
Curated OER

Addition of Numbers (Under 100) - Matching Worksheet

For Students 1st
First graders are asked to match the correct answer with eight addition equations. No word problems or illustrations are included on the worksheet.
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Worksheet
Curated OER

Sums

For Students 1st - 2nd
In this sums worksheet, students complete one digit number word problems where they add up the numbers to find a total. Students complete 5 problems total.
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Worksheet
Curated OER

Finding Sums and Terms for Geometric and Algebraic Sequences

For Students 11th - 12th
In this sequences activity, learners solve for the sum of ten sequences.  Students solve for a specified term of the geometric or arithmetic sequence in fourteen other problems.
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Worksheet
Curated OER

Decimals test

For Students 7th - 10th
In this decimals instructional activity, students complete a test asking them questions on rounding, sums, and metric units involving decimals. Students complete 20 problems.
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Worksheet
Curated OER

Addition Worksheet

For Students 1st - 2nd
In this addition worksheet, students add one digit numbers together to get the sums. Students complete 14 addition problems problems.
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Worksheet
Curated OER

Magic Squares

For Students 1st - 2nd
In this addition worksheet, students complete 4 magic squares in which the sums of the rows, columns and diagonals must be the same. Students analyze the filled-in squares and calculate the sum or the magic number.
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Worksheet
Curated OER

Addition - What Are the Missing Numbers?

For Students 3rd - 4th
In this addition worksheet, students determine what the missing numbers are in 8 two digit addition problems; either finding the sum or an addend. They estimate and calculate each answer in 4 three and four digit addition problems.
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Worksheet
Curated OER

These Are Sum Colors!

For Students 1st
In this addition worksheet, 1st graders solve single addition problems and color each part of a picture puzzle using the color indicated to correspond with each sum. They use yellow for the sum of 11 or 14, red for 12 or 13, blue for 17...
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Worksheet
Curated OER

Single Digit Addition

For Students 1st
In this addition activity, 1st graders find the sums of 22 single digit addition problems. They write the sums of problems that use 0-9 as addends.
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Worksheet
Curated OER

Christmas Tree Stars

For Students 3rd - 4th
In this addition worksheet, learners place the single digit numbers 1-9 on the stars around the Christmas tree, so that each side adds up to the same total.
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Worksheet
Curated OER

Estimate Sums and Differences

For Students 6th
In this sums and differences worksheet, 6th graders solve 20 different problems that including the estimation of numbers in each one. They estimate the sum or difference found in each problem and write it in the space provided. Then,...
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Worksheet
Curated OER

Addition Sums Super Facts Addends 1 to 10

For Students 2nd - 4th
In this addition facts learning exercise, students will solve 36 addition problems in column format where the addends are between the numbers one and ten.
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Worksheet
Curated OER

Addition Sums Less Than 30

For Students 3rd - 4th
For this addition worksheet, students will solve twenty addition problems where the sums are less than thirty and the addends are between six and fifteen.