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
St. Patrick's Day Missing Digits (H)
For this St. Patrick's Day missing digits worksheet, students solve for the missing digits in twenty-two addition, subtraction and multiplication equations.
Curated OER
Missing Numbers in Equations (B)
In this elementary algebra worksheet, students fill in the missing numbers in 32 equations. They use the given information to find the missing factor in each single digit multiplication problem.
Curated OER
Missing Numbers in Equations (B)
For this elementary algebra worksheet, 3rd graders identify the missing number in 32 subtraction equations. They find the value of each variable.
Curated OER
Missing Numbers Multiplication (C)
In this multiplication sentences worksheet, students study the numbers in the multiplication equations and solve the multiplication sentences by finding the missing number. Students solve 24 equations.
Curated OER
Missing Addends: equal equations 3
Young mathematicians insert the missing addends to addition problems by making the equations equal on both sides of the equals sign. Students complete ten problems.
Curated OER
Adding Two Numbers
Keep addition drills interesting by varying the exercises. There are four separate sections here for youngsters to solidify their understanding of adding three-digit addends. First, they calculate eight vertically aligned equations,...
Curated OER
Missing Addends: equal equations
In this missing addends worksheet, students complete the missing addends in the addition problems to make each equation equal on each side of the equals sign. Students complete 10 problems.
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...
Curated OER
Adding with Different Numbers of Digits
Expand addition concepts by challenging your pupils with these multi-digit addends. They add up numbers with up to seven digits, regrouping where needed. The first six are written vertically and the next two are horizontal. Make...
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
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....
Curated OER
Find the Missing Numbers
In this missing numbers activity, students solve 25 problems in which missing numbers in multiplication or division problems are filled in. Students also use picture clues to write equations in multiplication to solve. This page is...
Curated OER
Numbers in Sequence
In this online patterns worksheet, students complete a variety of on line exercises including distinguishing between even and odd numbers, finding the missing numbers in sequences and solving eight number equations. Students check their...
Curated OER
Missing Numbers
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.
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...
Mathematics Vision Project
Quadratic Equations
Through a variety of physical and theoretical situations, learners are led through the development of some of the deepest concepts in high school mathematics. Complex numbers, the fundamental theorem of algebra and rational exponents...
Curated OER
Missing Numbers Subtraction (A)
For 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.
Curated OER
Missing Numbers Multiplication (A)
In this math worksheet, students find the missing factors in 40 multiplication problems. Students write the missing number in the box. These problems go from 1x1 to 12x12.
Curated OER
Missing Numbers Division (A)
In this math worksheet, students solve 40 problems in which there is a missing number in each division fact. Students write the missing number in the box.
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
Missing Numbers Multiplication (E)
For this multiplication sentences worksheet, students study the multiplication sentences and find the missing number to solve the 22 multiplication problems.
Curated OER
Missing Numbers and Writing Equations Practice
In this equation and missing numbers activity, students fill in missing numbers in addition and subtraction problems to arrive at given answers, then complete a set of 3 word problems.
Curated OER
Number Bonds to 10: Game
Knowing number bonds that make 10 is a good way to build number sense and can help in solving basic addition and subtraction problems. Kids review number bonds, then play a game where they are given a number and try to shout out the...