Illustrative Mathematics
Find the Missing Number
First graders are asked to find the missing numbers in subtraction and addition equations. Each missing number is represented with a box and appears as an addend, subtrahend, sum, or difference.
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Missing Numbers in Equations (A)
Learners observe one factor and the sum and fill in the blank for the other missing factor. They solve 32 problems.
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St. Patrick's Day Missing Digits (J)
In this St. Patrick's Day missing digits worksheet, pupils figure out the missing numbers in twenty-two addition, subtraction and multiplication equations.
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Missing Numbers: Addition and Subtraction
In this missing numbers worksheet, students fill in missing numbers to complete a set of 8 problems using addition or subtraction. A reference web site for additional resources is given.
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...
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St. Patrick's Day Missing Digits (H)
In this St. Patrick's Day missing digits worksheet, students solve for the missing digits in twenty-two addition, subtraction and multiplication equations.
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Subtraction: Missing Numbers
In this subtraction worksheet, students solve 36 subtraction problems where the subtrahend is missing. Worksheets are 3 pages, 12 problems per page.
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Missing Numbers - Subtraction Worksheet
In this subtraction worksheet set, 1st graders find the differences to 51 online, single digit subtraction problems. They insert the subtrahend in each problem. They print the page if the want to save the data or work on the page at...
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Unknown Numbers in Sums and Differences
Beginners to addition and subtraction will have fun with these three word problems, which have accompanying visuals. They complete one problem with a missing difference, one with a missing sum, and a third with a missing subtrahend....
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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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Subtraction: Missing Numbers
In this subtraction practice worksheet, students use the counting blocks to help them solve 8 problems that require them to fill in the missing numbers in the subtraction sentences.
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Subtraction: Missing Numbers 4
In this subtraction practice activity, students use the counting blocks to help them solve 8 problems that require them to fill in the missing numbers in the subtraction sentences.
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Subtraction: Missing Numbers 2
In this subtraction practice worksheet, students use the counting blocks to help them solve 8 problems that require them to fill in the missing numbers in the subtraction sentences.
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Subtraction: Missing Numbers 3
For this subtraction practice worksheet, learners use the counting bocks to help them solve 8 problems that require them to fill in the missing numbers in the subtraction sentences.
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Subtraction: Missing Numbers 5
In this subtraction practice worksheet, students use the counting blocks to help them solve 8 problems that require them to fill in the missing numbers in the subtraction sentences.
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Subtraction: Missing Numbers 6
In this subtraction practice instructional activity, students use the counting blocks to help them solve 8 problems that require them to fill in the missing numbers in the subtraction sentences.
DK Publishing
Subtracting Big Numbers, part 2
Get some subtraction practice with a multi-faceted math worksheet. After reviewing two sample subtraction problems at the top of the page, third graders solve for the differences of vertical problems, horizontal problems, and word...
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Missing Tens
Foster mental math skills with this activity; combine with 10-rods to modify. Twenty problems provide plenty of practice to master subracting by tens. Missing addends promote algebraic thinking.
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Christmas Missing Digits I
In this mathematical computation holiday worksheet, students find the missing numbers in addition, subtraction, and multiplication problems. There are 23 mathematical problems to complete.
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Missing Numbers Subtraction (A)
In this math worksheet, students fill in the missing number in 40 subtraction facts. Students fill in the missing numbers to make the equations true. All numbers are below 20.
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Missing Addends
Where are all the addends? Addition novices solve 36 equations by filling in the single-digit addend to achieve the given sum. They reference several examples, each of which include object sets to help learners visualize the concept....
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Subtraction Math Problems
In this multiplication activity, 3rd graders problem solve 12 subtraction math problems by figuring out the missing number in each one that completes each problem.
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Missing Numbers
For this basic subtraction worksheet, students write in the missing numbers that make the subtraction equation correct. They then match the facts that go together by drawing a line between them. There are 12 problems to solve on this page.
Illustrative Mathematics
What’s Missing?
Now you see them, now you don't! This fun peek-a-boo activity engages young mathematicians in developing their ability to compose and decompose numbers. After being presented with a series of counters, children close their eyes while the...