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Worksheet
Curated OER

Missing Numbers on a Number Square

For Students 2nd - 3rd
In this missing numbers activity, learners fill in missing numbers is number squares taken from the 1-100 squares. An answer key is given.
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Worksheet
Curated OER

What's Missing?

For Students K - 2nd
Add a challenge for your young mathematicians' adventures in double-digit addition. Instead of simply computing sums in the 9 problems, they work backwards to fill in blanks among the addends. Resource makes a terrific extension or...
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Lesson Plan
Curated OER

Missing Number

For Teachers 1st
First graders examine how to use a symbol and shape variable to represent a missing value in a mathematical equation. They listen to the book "Fish Eyes" and "One Less Fish," and observe the teacher write an equation represented for each...
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Worksheet
Curated OER

Missing Addends

For Students 1st - 2nd
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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Worksheet
Curated OER

St. Patrick's Day Missing Digits (H)

For Students 4th - 6th
In this St. Patrick's Day missing digits instructional activity, students solve for the missing digits in twenty-two addition, subtraction and multiplication equations.
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Worksheet
Curated OER

Missing Numbers

For Students 1st - 2nd
In this sequencing numbers learning exercise, students observe rows of numbers with blanks and fill in the missing numbers for each sequence. Students fill in 47 blanks.
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Interactive
Curated OER

TAKS Math Quiz-Find Missing Numbers

For Students 2nd - 3rd
For this TAKS math quiz worksheet, students take an online quiz focused on finding missing numbers. Quiz can be graded online by clicking a link.
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Worksheet
Curated OER

Fill In the Missing Numbers

For Students 1st - 2nd
In this number sequencing worksheet, students fill in the missing numbers in 5 sequences. They fill in blanks counting by ones, skip counting by twos, and by filling in blanks when they are only given two numbers in a 7 number sequence.
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Worksheet
Curated OER

Missing Numbers

For Students 1st - 4th
In 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.
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Worksheet
Curated OER

Missing Numbers in Equations 3

For Students 3rd - 4th
In this missing numbers in equations worksheet, learners solve for the missing number in a set of 32 equations; answers are included on page 2.
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Worksheet
Curated OER

Missing Numbers in Equations 6

For Students 3rd - 4th
In this missing numbers in equations worksheet, students solve for the missing number in a set of 32 equations; answers are included on page 2.
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Worksheet
Curated OER

Missing Numbers in Equations 7

For Students 2nd - 4th
In this missing numbers in equations worksheet, learners solve for the missing number in a set of 32 equations; answers are included on page 2.
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Worksheet
Curated OER

Missing Numbers in Equations 9

For Students 2nd - 3rd
For this missing numbers in equations worksheet, students solve for the missing number in a set of 32 equations; answers are included on page 2.
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Worksheet
Curated OER

Missing Numbers in Equations [A]

For Students 2nd - 3rd
In this missing numbers in equations worksheet, students solve for the missing number in a set of 32 simple equations. Answers are included on page 2.
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Worksheet
Curated OER

Missing Numbers in Equations [B]

For Students 3rd - 4th
In this missing numbers in equations worksheet, students solve for the missing number in a set of 32 equations; answers are included on page 2.
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Worksheet
Curated OER

Missing Numbers in Equations [A] 2

For Students 3rd - 4th
For this missing numbers in equations worksheet, students solve for the missing number in a set of 32 equations; answers are included on page 2.
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Worksheet
Curated OER

Missing Numbers in Equations 5

For Students 3rd - 4th
In this missing numbers in equations learning exercise, students solve for the missing number in a set of 32 equations; answers are included on page 2.
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Worksheet
Curated OER

Missing Numbers in Equations 7

For Students 2nd - 4th
In this missing numbers in equations worksheet, students solve for the missing number in a set of 32 equations; answers are included on page 2.
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Worksheet
Curated OER

Missing Numbers in Equations 8

For Students 2nd - 3rd
For this missing numbers in equations worksheet, students solve for the missing number in a set of 32 equations; answers are included on page 2.
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Worksheet
Curated OER

Missing Numbers in Equations 10

For Students 2nd - 3rd
In this missing numbers in equations worksheet, students solve for the missing number in a set of 32 equations; answers are included on page 2.
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Worksheet
Curated OER

Missing Numbers in Equations

For Students 3rd - 4th
In this equations worksheet, learners determine missing numbers to make equations true. A website reference for additional resources and answers are provided.
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Worksheet
Curated OER

Missing Numbers--Division Worksheet

For Students K - 2nd
In this problem solving worksheet, students find the missing numbers that would make 9 division math problems have the answers they have.
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Worksheet
Curated OER

Fill in the Missing Numbers

For Students K - 1st
In this math learning exercise, students learn number sequencing by filling in the missing numbers in 8 problems. All numbers are below 10.
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Lesson Plan
Illustrative Mathematics

What’s Missing?

For Teachers Pre-K - 1st Standards
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...

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