Curated OER
What's Missing?
In this determining missing numbers or operations worksheet, students use reverse operations to fill in the missing answers. Students solve 18 problems.
Curated OER
Adding Bigger Numbers: 2 and 3 Digit Numbers
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...
Curated OER
St. Patrick's Day Missing Digits (J)
In this St. Patrick's Day missing digits learning exercise, pupils figure out the missing numbers in twenty-two addition, subtraction and multiplication equations.
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
St. Patrick's Day Missing Digits (H)
In this St. Patrick's Day missing digits instructional activity, students solve for the missing digits in twenty-two addition, subtraction and multiplication equations.
![Missing Numbers in Equations [B] Worksheet](http://content.lessonplanet.com/resources/thumbnails/210355/large/cgrmlwnvbnzlcnqymdezmdmzmc0ynzgwmy02a2t6dmwuanbn.jpg?1414302217 "Missing Numbers in Equations [B] Worksheet")
Curated OER
Missing Numbers in Equations [B]
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.
![Missing Numbers in Equations [A] 2 Worksheet](http://content.lessonplanet.com/resources/thumbnails/210356/large/cgrmlwnvbnzlcnqymdezmdmzmc0ynzg4ns1zzjljec5qcgc.jpg?1414302492 "Missing Numbers in Equations [A] 2 Worksheet")
Curated OER
Missing Numbers in Equations [A] 2
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
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,...
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
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...
Curated OER
Choose the Operation: Plus or minus (up to 100)
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...
Alabama Learning Exchange
Miss Integer Finds Her Properties in Order
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.
Curated OER
Mental Math: 5 a Day
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...
Curated OER
Reading and Writing Numbers
Review numerals and written numbers. Here is a worksheet 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 way to...
Curated OER
Understanding Place Value, Up to 3-Digit Numbers
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....
![Easter Bunny Feeding Time: Missing Digits [C] Worksheet](http://content.lessonplanet.com/resources/thumbnails/218006/large/nziyntm4lmpwzw.jpg?1414307703 "Easter Bunny Feeding Time: Missing Digits [C] Worksheet")
Curated OER
Easter Bunny Feeding Time: Missing Digits [C]
In this missing numbers worksheet, students fill in missing digits in addition, subtraction and multiplication problems. Answers included on page 2.
![Easter Bunny Feeding Time: Missing Digits [D] Worksheet](http://content.lessonplanet.com/resources/thumbnails/218009/large/nziyntqzlmpwzw.jpg?1414307979 "Easter Bunny Feeding Time: Missing Digits [D] Worksheet")
Curated OER
Easter Bunny Feeding Time: Missing Digits [D]
In this missing numbers worksheet, students fill in missing digits in addition, subtraction and multiplication problems. Answers included on page 2.
Curated OER
Missing Addends - Inverse Operations
In this math worksheet, student find the missing addend in 28 single and double digit addition problems and write the corresponding subtraction problem.
Curated OER
Missing Calculations, Missing Numbers Activity
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.
Curated OER
Fill in Missing Numbers or Operations
In 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.
Curated OER
Missing Digit Operations (L) Fill in the missing digits
In this missing digit activity, 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....
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...
Curated OER
Inverse
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...
Curated OER
Making Addition Sentences True
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...