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
Number Bonds
For this number bond worksheet, 1st graders fill in twelve missing numbers to make the sums in each equation complete and true. Students double check their answers.
Curated OER
Missing Numbers Multiplication
In this multiplication worksheet, students solve and complete 78 different multiplication problems. First, they solve each problem by determining the missing numbers found in each two-digit equation.
Curated OER
Add or Subtract (up to 50)
Do you add or subtract? It's up to your mathematicians as they fill in the symbol for 16 equations to make them true. The numbers in this section don't exceed 18. Next, learners answer six word problems by determining the missing addend...
Curated OER
Online Math Problems
In this online math problems instructional activity, learners solve a variety of exercises including four addition and subtraction picture problems, figure out the sequence in four sets of numbers, practice nine calculations and find the...
Lane Community College
Review Sheets: Basic Mathematics 2
A good mix of Pre-Algebra problems, learners tackle everything from proportions and equations, to polygons and circles. The sections are broken up by topic with a list of the skills that are required to complete the questions.
Curated OER
Missing Numbers - Addition Worksheet (Two Digits)
In these mathematical worksheets, students complete seven pages of addition exercises wherein they find the missing number to solve the entire equation.
Math Salamanders Ltd.
Missing Subtraction Facts to 12 Sheet 2
For this subtraction instructional activity, students use the given numbers in the equation to solve the subtraction equations. Students solve 20 problems.
Curated OER
Sequences and Linear Equations
Students identify the formula to find the nth term. In this algebra lesson, students finish a pattern and identify missing parts in a sequence. They write an equation given a partial sequence.
Curated OER
Addition and Subtraction
In this addition and subtraction worksheet, students find the missing numbers for the double digit addition and subtraction equations. Students solve 13 problems.
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...
Curated OER
Equations Analysis Test - Popular Songs
In this equations analysis worksheet, learners identify the numbers listed from the abbreviated titles and lyrics of popular songs. Then, they find the missing words for each capital letter and name the artist who sang the song.
Curated OER
Ten Sly Piranhas: A Counting Story in Reverse
Students solve related addition and subtraction problems. In this addition and subtraction lesson, students use the book Ten Sly Piranhas by William Wise as the source of word problems for students to solve.
Curated OER
Quadratics with Irrational Solutions
In this algebra instructional activity, students apply the concepts of a right triangle to help them solve for the missing sides of a triangle. They use the quadratic formula to solve word problems. There are 5 problems with an answer key.
Curated OER
Addition Exercises
In this addition worksheet, 2nd graders fill in the missing addend to the addition problems to make both sides of the equal sign equal. Students complete 7 problems.
Curated OER
Numbers Based on Percentage
In this percentage worksheet, students examine written statements and solve to find the percent of a number or find a missing number when given a percent. This one-page worksheet contains ten problems.
Inside Mathematics
Number Towers
Number towers use addition or multiplication to ensure each level is equal. While this is common in factoring, it is often not used with algebraic equations. Solving these six questions relies on problem solving skills and being able to...
CK-12 Foundation
Multiplying Matrices by a Scalar: Making Matrix Patterns
Scalar multiplication equations can be a drag. Scholars determine missing matrices to make correct scalar matrix multiplication equations. They place the correct matrix into the equations within the interactive resource and analyze the...
Curated OER
Decimals, Percents, and Fractions
Learners practice converting fractions, decimals, and percentages to communicate equal amounts. They fill in a table, determine the percentage of a total area that is shaded in diagrams, complete equations with decimals to the hundredths...
Curriculum Corner
“I Can” Common Core! 3rd Grade Math
Help third graders make sense of the Common Core math standards with this simple checklist. By rewording each standard as an I can statement, children are provided with clear goals to focus on as they participate in math lessons.
DK Publishing
Finding 5 - Multiplying by 5
Visualize multiplication facts using rectangular arrays. Scholars multiply single-digit factors by five and represent each number sentence using sets of dots. They circle the groups of five and fill in missing parts of the equations....
Curated OER
Equations Analysis Test
In this algebra learning exercise, 11th graders find the missing words for each letter. They translate the letters in to numbers using inches and yard. There are 10 problems with an answer key.
Curated OER
Review of Addition Facts
In this addition activity, 1st graders write down the addends that make up 5 and 6. They match addition problems to the sums 5 and 6, and find the missing addends in 10 problems. They compare equations to 5 and 6 using the symbols for...
Curated OER
Year 6 Booster pg. 6
For this mixed practice worksheet, 3rd graders give 3 addends to complete two equations and write the missing numbers in 7 equations.