Curated OER
Find the Missing Number
Kids can use the train themed number line to help them solve any of the 12 missing addend math problems. They must determine what plus the given number equals the provided answer.
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Express The Length Whole Word Problems
Children in grades 1-3 will work to solve eight word problems involving length and whole numbers. They add, subtract, and problem solve to match the questions on the left to the answers on the right. Note: These problems are very poorly...
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Subtraction and Unknown Addends
A brief addition word problem has learners searching for the missing addend. They read about Mr. George, who already has five gallons of fuel in his car. Knowing the car can hold eleven gallons, they compute how many gallons he needs....
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Subtraction and Unknown Addends
Using images helps budding mathematicians grasp difficult subtraction concepts. For this set of three word problems, they examine sets of objects which are reflected in each scenario. To approach subtraction in a more accessible way, the...
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Making 10 Packs Worksheet
The soup factory is missing cans in its 10-packs! Scholars take on the challenge as they figure out how many more cans are required to complete these four 10-packs. Encourage them to draw the extra cans for added comprehension. It would...
Curated OER
Missing Numbers - Addition Worksheet Set
Save some trees and use virtual worksheets. Here are 6 different virtual worksheets that require learners to determine the missing addend. Each page includes 12 problems to solve.
Savvas Learning
Missing Numbers
Young learners answer six fill in the blank questions where they determine the missing addends for four addition word problems. They fill in the missing numbers on a problem that involves both addition and subtraction. Lastly, they...
Math Worksheets Land
Add and Subtract within 100- Guided Lesson
Word problems are the name of the game here, and each one comes with an image to help learners visualize the math operation. Careful, though; the visual for the first scenario is confusing. The problem gives a total number of sports...
Curated OER
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.
Curated OER
Subtraction and Unknown Addends
The missing addend strategy is helpful to young mathematicians approaching subtraction. This worksheet walks learners through the required steps, solving the problems with them. They examine situations with one addend and a sum provided,...
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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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Unknown Numbers in Sums and Differences - Step-by-Step Lesson
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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Missing Number Sum Activity
In this missing number worksheet, students fill in missing addends to reach the sum of 19, 8 problems total, then answer additional related questions.
Curated OER
Missing Addends
For this missing addends worksheet, students fill in one missing addend in a problem to arrive at the sum of 20, 5 problems total. An answer key is included.
Curated OER
Missing Number Addition
For this missing number worksheet, students fill in missing addends to complete 5 simple problems. An answer key is included on page 2.
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Missing Numbers Addition (A)
In this math activity, students solve 40 math problems in which there is a missing addend. Students fill in the missing number which makes the addition sentence correct.
Curated OER
Same and Different
For this mathematics worksheet, learners first complete the tens place and then add the rest. Then they continue the patterns and compare each column. Students also fill in the missing addends and solve various word problems by writing a...
Math Worksheets Land
Unknown Numbers in Sums and Differences
You've hit the word problem jackpot with this set of 10 addition and subtraction scenarios! For each, learners have to find a missing number. Sometimes it is the sum or difference, and for others, an addend or minuend. For each, there is...
Curated OER
Commutative Property of Addition
Here are 10 simple addition problems intended to provide practice for those learning the commutative property of addition. Each question asks learners to fill in the missing addend that makes each equation true. An answer key is provided.
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Reader's Rabbit Math
Students are able to use the Fishing for Numbers game in Reader Rabbit's Math. They are able to select two addends that sum to the given number between 1 and 12. Students work in pairs and go to the computer stations and complete at...
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Mixed Review
In this math instructional activity, students solve the problems using the operation of addition to fill in the missing addends. They also apply some basic knowledge of geometry to solve the second set of questions.
Curated OER
Understanding 10: Backwards and Forwards
Help your young mathematicians completely master 10 by practicing one-to-one correspondence, number recognition, and recording numbers displayed. They make 10 with groups of two-different colored cubes and color in 10-frames to show how...
Curated OER
Sums With 9
In this sums with nine worksheet, 1st graders calculate the sums of nine in ten sets of red dots, calculate the answers to twenty five addition equations.