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.
Curated OER
Numeracy Starters
If you like to start each day with a new math challenge or warm-up, this resource is a must have. It includes 36 slides, each containing a different math challenge that stimulates algebraic reasoning, problem solving, and basic math...
Curated OER
Missing Numbers in Equations 3
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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Missing Numbers in Equations 6
In this missing numbers in equations activity, students solve for the missing number in a set of 32 equations; answers are included on page 2.
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Missing Numbers in Equations 7
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.
Curated OER
Missing Numbers in Equations 9
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.
Curated OER
Missing Numbers in Equations 5
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.
Curated OER
Missing Numbers in Equations 7
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.
Curated OER
Missing Numbers in Equations 8
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.
Curated OER
Missing Numbers in Equations 10
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.
Curated OER
Missing Numbers in Equations
For this equations worksheet, students determine missing numbers to make equations true. A website reference for additional resources and answers are provided.
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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.
Math Drills
Missing Numbers in Equations (B)
Third and fourth graders use the divisors, dividends, and quotients to discover the missing numbers. They solve 32 problems in all, and fulfill the requirements of CCSS.Math.Content.3.OA.4
Curated OER
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.
Scholastic
Study Jams! Determine the Missing Operation in an Equation
Deepen the number sense of your math class with a short presentation on writing equations. Using the relationship between numbers, young mathematicians learn how to determine the missing operator in an equation. A number of opportunities...
Curated OER
Solving Equations
How do you solve a problem when a symbol or letter is used in place of a missing number? Build algebraic reasoning and problem solving skills with this presentation that explains three methods for finding a missing variable. The guess...
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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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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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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.
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Number Bonds to 10: Determine the missing addend
Each slide contains a group of animals and an equation that adds up to 10. However each equation is missing a number, learners attempt to determine the missing addend to revile the number of animals hiding under the cloud. A fun,...
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...
BW Walch
Creating and Graphing Exponential Equations
Frequently found in biology and economic application problems, exponential equations show up as stars in this introductory presentation. Taking no background or knowledge of exponentials for granted, the slides walk learners through the...
University of Texas
Complex Numbers
Are complex numbers and binomials similar? This stack of slides provides an introduction to complex numbers and shows how to operate with them. The worked examples show a connection between operating with binomials and operating with...
Curated OER
Who Wants to Win Millions?
Addition practice awaits your students in this engaging Jeopardy-style game. The students can earn hundreds of dollars by answering questions correctly. The categories include: Adding Doubles, Add and Find Missing Numbers, Adding 3...