Curated OER
The Pythagorean Theorem
Students create both a visual and formal proof of the Pythagorean theorem, as well as view four additional geometric demonstrations of the theorem. They construct a square and conjecture the following theorem: The sum of the areas of...
Curated OER
Geometric Sequences and Series
Learn to calculate the nth term of a sequence defined by an algebraic expression. They examine geometric sequences and series, relate geometric sequences to their explicit forms, find the partial sums of a sequence in a table, and...
Curated OER
Opposite Angles in a Cyclic Quadrilateral
Learners investigate cyclic quadrilaterals in this geometry lesson. They use Cabri Jr to explore the sum of the measures of opposite angles in a cyclic quadrilateral. The dynamic nature of Cabri allows students to form and verify...
Math Mammoth
Triangles 1
For this triangles worksheet, students measure and calculate the measurements of eight triangles, their sums and classify the triangles as acute, obtuse or right.
Curated OER
Addition and Subtraction of Rational Expressions
In this rational expressions worksheet, 9th graders solve and complete 15 different problems that include adding and subtracting rational expressions. First, they define Least Common Multiple to get a common denominator in an equation....
Curated OER
Problem Solving Strategies
In this problem solving strategies worksheet, students solve and complete 5 different word problems that include logic and the process of elimination. First, they determine the number of questions asked to determine a selected number....
Curated OER
Act It Out
For this addition worksheet, 1st graders cut out 5 pictures of ants at the bottom of the worksheet, use them to act out 4 stories and then write the sum to each one.
Curated OER
Make 19
In this addition worksheet, 3rd graders figure out and put in the missing numbers in 8 addition problems, so each of the sums in the boxes add up to 19. Students write down all the pairs of numbers with a total of 19 and solve 5...
Curated OER
Angle Bisectors
In this angle bisector worksheet, 10th graders solve and complete 23 various types of geometry problems. First, they find the angles listed in the figure shown. Then, students determine the sum of the interior angles of a polygon. They...
Curated OER
Pascal's Penguins
In this addition worksheet, students fill in the numbers inside 7 penguins by adding together the 2 penguins right above each one. Students figure out the sums for each penguin with Pascal's triangle.
Curated OER
Algebra: Surface Area homework 21.5
In this finding the surface area worksheet, learners use the sum of the faces to solve the surface areas of solid figures. Students solve seven problems.
Curated OER
Column Addition reteach 4.6
In this adding two-digit and three-digit numbers worksheet, students find the sums of groups of thee and four numbers by rewriting the numbers in place value columns, and adding each column with regrouping. Students solve fourteen problems.
Curated OER
Decide When to Regroup homework 10.4
In this regrouping worksheet, students use paper clips to show tens and ones, determine whether there is a need to regroup, and find the sum. Students solve five problems.
Curated OER
Everything about Equations
In this chemical reactions instructional activity, high schoolers are given fifteen unbalanced equations and they must identify the reaction types, the phases of the products, the signs that a chemical change occurred and the sum of the...
DK Publishing
Addition Practice Worksheet (Adding Three 2-digit Numbers)
Three addends stack up for some strenuous sum practice! All of the numbers are double-digits, and regrouping is often necessary. Challenge your second graders or provide practice for older mathematicians with this assignment. An answer...
Curated OER
One-Digit Addition; No Regrouping (B)
In this addition worksheet, students find the sums by adding one-digit numbers without regrouping. Students solve 100 problems.
Curated OER
One-Digit Addition, No Regrouping (B)
In this addition learning exercise, students find the sums by adding one-digit numbers without regrouping. Students solve 64 problems.
Curated OER
Addition Word Problems
In this addition word problem worksheet, students add one-digit plus one-digit numbers to find the sum. Students solve 9 problems.
Curated OER
The Number System
Students explore how to multiply and divide by 10, 100, and 1000. In this computation instructional activity, students participate in an online activity using the interactive whiteboard. Students generate sums by using dice.
Curated OER
Add and Subtract Decimal Tenths (F)
In this adding and subtracting decimals and whole numbers worksheet, students find the sums and differences of tenths. Students solve 32 problems.
Curated OER
Add and Subtract Decimal Tenths (E)
In this adding and subtracting decimals and whole numbers worksheet, students find the sums and differences for the decimal tenths. Students solve 32 problems.
Curated OER
Trigonometry Practice Series #3
For this trigonometry worksheet, learners calculate the sum of the terms in an arithmetic and geometric series. This two-page worksheet contains 5 multi-step problems. Answers are provided at the bottom of the page.
Curated OER
We Are a Fact Family! Integration Is the Key!
Students practice addition and subtraction. In this fact families unit, students practice finding sums and differences for fact families. This unit includes ten lessons with science and social studies integration.
Curated OER
Addition: Four In a Row Game
In this finding the sums game worksheet, students add one-digit numbers plus one-digit numbers to be the first to solve four in a row. Students solve 25 problems.
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