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Worksheet
Curated OER

What's Missing?

For Students 3rd - 4th
In this determining missing numbers or operations worksheet, students use reverse operations to fill in the missing answers. Students solve 18 problems.
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Worksheet
Curated OER

Adding Bigger Numbers: 2 and 3 Digit Numbers

For Students 3rd - 5th Standards
Challenge your young learners with an addition worksheet, which provides different opportunities to practice adding two and three-digit numbers. The first two sections provide twelve problems for pupils to solve, while the last two...
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Worksheet
Curated OER

St. Patrick's Day Missing Digits (J)

For Students 3rd - 5th
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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Interactive
Scholastic

Study Jams! Determine the Missing Operation in an Equation

For Teachers 4th - 6th
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...
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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

St. Patrick's Day Missing Digits (H)

For Students 4th - 6th
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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PPT
Curated OER

Number Bonds to 10: Determine the missing addend

For Teachers K - 1st
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,...
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PPT
University of Texas

Complex Numbers

For Students 9th - 12th Standards
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...
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Lesson Plan
Curated OER

Domain: Operations and Algebraic Thinking

For Teachers K - 2nd
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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Worksheet
Curated OER

Choose the Operation: Plus or minus (up to 100)

For Students 2nd - 4th Standards
Investigate the relationship between addition and subtraction as scholars fill in these number sentences, each of which is missing a symbol. Is it a subtraction or addition equation? There are 20 of these to start, all written...
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Lesson Plan
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1
Alabama Learning Exchange

Miss Integer Finds Her Properties in Order

For Teachers 4th - 6th Standards
Access prior knowledge to practice concepts like order of operations and exponents. Your class can play this game as a daily review or as a warm-up activity when needed. They work in groups of four to complete and correct review problems.
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PPT
Curated OER

Mental Math: 5 a Day

For Teachers 4th - 5th
This is a really cool math resource! There are nineteen different slides containing five math problems each. They are intended to be used as daily math warm ups and address skills such as, addition, problem solving, missing addends, word...
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Worksheet
Curated OER

Reading and Writing Numbers

For Students 1st - 3rd Standards
Review numerals and written numbers. Here is a learning exercise that features four sections of problems for youngsters to figure out. They write out eight 3-digit numbers, and provide 3-digit numerals for eight written numbers. A great...
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Worksheet
Curated OER

Understanding Place Value, Up to 3-Digit Numbers

For Students 1st - 3rd Standards
Work on place value and addition. Here is a resource that features different types of problems for your second graders to solve. After studying the example at the top of the page, they write the missing number in 12 addition problems....
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Worksheet
1
1
Curated OER

Easter Bunny Feeding Time: Missing Digits [C]

For Students 2nd - 3rd
In this missing numbers worksheet, students fill in missing digits in addition, subtraction and multiplication problems. Answers included on page 2.
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Worksheet
1
1
Curated OER

Easter Bunny Feeding Time: Missing Digits [D]

For Students 2nd - 3rd
In this missing numbers worksheet, students fill in missing digits in addition, subtraction and multiplication problems. Answers included on page 2.
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Worksheet
Curated OER

Missing Addends - Inverse Operations

For Students 2nd - 3rd
In this math worksheet, student find the missing addend in 28 single and double digit addition problems and write the corresponding subtraction problem.
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Worksheet
Curated OER

Missing Calculations, Missing Numbers Activity

For Students 2nd - 3rd
In this missing numbers worksheet, students fill in the missing numbers in a set of 18 calculations that make use of all 4 operations. A reference web site is given for additional activities.
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Worksheet
Curated OER

Fill in Missing Numbers or Operations

For Students 3rd - 4th
For this missing number/operation worksheet, students fill in either missing numbers or and correct operation in equations. Students then complete an extension activity, filling in missing + or - signs.
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Worksheet
Curated OER

Missing Digit Operations (L) Fill in the missing digits

For Students 4th
In this missing digit worksheet, 4th graders fill in the missing number to the math problem. Students have to complete 30 problems where they have to figure out the missing number in the problem and the answer portion of each operation....
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PPT
Curated OER

Solving Equations

For Teachers 3rd - 5th
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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PPT
Curated OER

Inverse

For Teachers 2nd - 4th
Your class can learn all about inverse operations. They will review what inverse operations are, see examples, learn how to use inverse operation to check an answer, write addition and subtraction equations in the inverse, and use the...
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Worksheet
Curated OER

Making Addition Sentences True

For Students 1st - 2nd Standards
Introduce scholars to the commutative and additive identity properties of addition with two sets of practice problems. First, they fill in the missing addend by choosing from a group of three possible answers. These six addition...
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Worksheet
Curated OER

Missing Digit Operations (Q)

For Students 5th - 6th
In this missing digits worksheet, students solve 25 problems in which a missing number is filled in to make the equation correct. All four operations are used on this page.