Curated OER
Domain: Operations and Algebraic Thinking
Practice basic operations for young mathematicians in fun ways! Using two decks of cards (Ace through 10 plus the joker), learners play "memory" by matching numbers that can be added to make 10 and writing number sentences. In another...
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Missing Addends
In this early childhood math practice worksheet, students use their problem solving skills to solve 6 story problems that require them to add.
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Missing Addends: Sums With 8 and 9
In this missing addends worksheet, students fill in missing factors in addition problems. All problems have sums of 8 or 9. A reference web site is given for additional activities.
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Bears in a Box
First graders count bears to predict missing addends. They analyze the missing addend sentence: 7 + ? = 10 and count up from 7 to 10 and check to see if there are 3 bears in the box.
Math Salamanders Ltd.
Division to 10 x 10 Sheet 3
Learners fill in the missing addends to the one and two-digit number division problems. They complete 40 problems. A classic worksheet!
K20 LEARN
Building Numbers: Addition And Subtraction Up To 10
Animals on Board! Stuart J. Murphy introduces scholars to composed numbers in preparation for writing and drawing true or false number sentences. A game of Bear in the Cave challenges pupils to locate a missing addend. Sorting number...
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What's in the Gift?
In this multiplication worksheet, students find the missing addend in multiplication problems represented by a gift. Students complete 24 problems.
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Equations by 1 through 10
In this missing addend worksheet, students fill in the missing addend to the addition and subtraction problems. Students fill in the missing addends for numbers 1 through 10 for 100 problems.
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Riddle Time
In this missing addends learning exercise, students find the missing addends to math problems that are represented by letters. Students complete 10 problems and then use the letters to solve a riddle.
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Place Value - Hundreds, Tens, and Ones 4
In this place value worksheet, students add numbers that are all in different place values and fill in missing addends for different place values. Students complete 40 problems where the numbers are in expanded notation form.
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Addition - up to 20 sheet 5
In this addition learning exercise, students complete missing addend problems where they plug in numbers 1 - 20. Students complete 40 problems.
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Multiplication to 5x5 sheet 3
In this multiplication activity, students fill in the missing addends to the multiplication problems up to 5x5. Students complete 40 problems.
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Multiplication - 8 times table sheet 1
In this multiplication worksheet, students multiply numbers by 8 and complete missing addend problems that contain the number 8. Students complete 30 problems total.
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Division related facts 10s and 100s sheet 2
In this division activity, students fill in the missing addends that are multiples of either 10s or 100s to the problems. Students complete 40 problems.
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Missing Numbers Addition (A)
For this math worksheet, students solve 40 math problems in which there is a missing addend. Students fill in the missing number which makes the addition sentence correct.
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Missing Addend - 2 Through 5 (Shapes)
In this numbers worksheet, learners count the different colored square boxes underneath each green box square involving the addition of 16 equations. Students add each pair of green boxes to total the number that they both stem from in...
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Finding Missing Sums and Addends
For this sums/addends worksheet, students find missing sums and addends in a set of 20 problems. Problems add 1 and 2-digit numbers. Answers included on page 2.
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It All Adds Up Puzzle #29
For this addition puzzle worksheet, students complete a 12 space grid in which rows and columns add up to be the numbers given. Students fill in the missing addends.
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It All Adds Up Puzzle #27
For this addition puzzle worksheet, students complete a 12 space addition square in which all rows and columns add up to equal the numbers given. Students fill in the missing addends.
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It All Adds Up Puzzle #13
In this addition puzzle worksheet, students complete a 12 space grid in which rows and columns equal the numbers given. Students supply the missing addends.
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Addition Practice
In this addition worksheet, learners practice their adding skills. Students are given twenty addition problems with missing sums or addends where learners are to find the missing numbers.
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Number Bonds to 10: Match the Hats
Practice and play this game to enhance your learner's ability to make the number 10 through addition. Each slide shows an equation with a missing addend and a party hat with a given number of dots, they need to determine how many dots...
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Completing the Next Hundred
In this hundreds worksheet, students fill in the missing addend and complete the hundred numbers at the end of the problems. Students complete 3 sets of problems.
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Complete Number Sentences
In this addition learning exercise, students solve 14 problems in which the missing addend in an addition problem is filled in. All problems will have a sum of 100.