Lesson Plan
Curated OER

Using a Multiplication Table

For Teachers 4th - 5th
Students complete patterns on a multiplication table. In this multiplication table lesson, students use partially completed multiplication tables to find the missing patterns to solve the table.
Worksheet
Curated OER

Multiplication: Finding Missing Numbers

For Students 2nd - 5th
In this multiplication activity, students solve 78 multiplication problems in which one of the factors is missing. Worksheet is in graphic organizer form, 3x3 rows.
Worksheet
EdHelper

Subtraction

For Students 1st
In this subtraction worksheet, 1st graders use the number line to help them find the missing number in the single digit subtraction equations. Students solve 25 problems.
Worksheet
EdHelper

Addition

For Students 1st
In this addition worksheet, 1st graders use the illustrated blocks to help them find the missing number to complete the 11 addition facts.
Lesson Plan
Curated OER

Concept: Square Root

For Teachers 7th - 10th
In this square root worksheet, students solve problems with exponents. They find the square root of given numbers. Students ill in missing numbers on a radical clock face. This eleven-page worksheet contains notes, detailed instructions...
Worksheet
Curated OER

Proportional Reasoning: Ratio Applications

For Students 8th
In this ratio applications worksheet, 8th graders solve and complete 24 various types of problems that include proportional reasoning. First, they solve each pair of similar figures for the given variable. Then, students write and solve...
Activity
Beauty and Joy of Computing

Algorithms

For Teachers 9th - 12th
Introduces the class to the idea of searching a list by building a script. Learners modify a guessing game script that will find a number in a list. 
Lesson Plan
Rational Number Project

Initial Fraction Ideas Lesson 18: Overview

For Teachers 3rd - 6th Standards
Develop young mathematicians' ability to compare fractions with investigation into the number 1/2. After brainstorming a list of fractions equivalent to 1/2, children identify a pattern in the numerators and...
Interactive
CK-12 Foundation

Identifying Sets of Pythagorean Triples: Matching Problem

For Students 8th - 12th Standards
What sets of whole numbers make up the measures of side lengths in right triangles? Pupils use an interactive triangle to learn about Pythagorean triples. Individuals find missing values in triples and learn more about Pythagorean...
Worksheet
Curated OER

Holiday Math Mystery

For Students 1st - 3rd
In this holiday math mystery worksheet, students fill in fifteen missing numbers that makes each tree correct. Students then use the missing numbers in each tree to find the secret message shown.
Worksheet
Curated OER

Adding Ten

For Students 1st
In this addition worksheet, 1st graders practice adding 10 to single digit numbers to find the sums in 14 horizontal problems. They work on a page that is decorated with a clip art bunny and duck.
Worksheet
Curated OER

Adding Ten

For Students K - 1st
For this addition worksheet, students practice adding 10 to single digit numbers to find the sums in 14 horizontal problems. They work on a page that is decorated with a photographs of a duck and a bird.
Lesson Plan
Curated OER

Finding Total Given Part and Percentage

For Teachers 7th - 8th
Students observe models of fractional parts. After writing the definitions of percent, part and whole, students use the calculators and computers to solve problems. Individually, they complete assigned problems where the convert the...
Worksheet
Curated OER

Metric Units of Mass: Practice

For Students 3rd - 6th
In this metric unit worksheet, students compare metric units, finding missing numbers, then choose the best unit for measuring given items. Students then estimate. Houghton Mifflin text is referenced.
Worksheet
Curated OER

Holiday Math Mystery

For Students 1st - 2nd
In this Christmas math worksheet, students fill in each tree with the missing number to complete the addition problems. Students then use the missing numbers to find the secret message about Christmas.
Interactive
Curated OER

Law of Cosines

For Students 9th - 12th
In this cosine worksheet, students will find the length of the third side of a triangle given the length of the other two side. Students will use the Law of Cosines to find the length of the missing side. Answers will be rounded to 3...
Lesson Plan
Curated OER

Science: The Bicycle as a System

For Teachers 6th - 8th
Students explore how the different parts of a bicycle relate to each other and identify the subsystems. They discover how bicycles work and investigate their history. In groups, students research each of the subsystems and present...
Worksheet
Curated OER

Subtraction

For Students 1st - 2nd
In this subtraction learning exercise, students find the differences for the double digit problems. Students solve 31 subtraction problems.
Worksheet
Curated OER

Thanksgiving Addition

For Students 1st
In this Thanksgiving addition worksheet, 1st graders use the Thanksgiving images to help them find the missing numbers for the addition sentences. Students complete 2 addition problems.
PPT
Curated OER

Least Common Multiple

For Teachers 4th - 6th
Looking for a good presentation on multiples, least common multiples, and factoring? This one's for you! In it, youngsters are coached on the main techniques used in these mathematical processes. There are tons of practice opportunities,...
Lesson Plan
Curated OER

Variables and Open Sentences

For Teachers 4th
Fourth graders examine the purpose of variables and identify the missing variable in open sentences. They observe the teacher solve a variety of problems, complete a worksheet as a class, and independently complete another worksheet. ...
Worksheet
Curated OER

Index Notation

For Students 5th - 6th
In this online index notation worksheet, students fill in the missing powers in four statements, calculate nine math problems, fill in the missing bases and powers in six statements, calculate six higher power equations and fill in the...
Worksheet
Curated OER

Magic Square

For Students 9th - 12th
In this algebra worksheet, students are given a word problem to solve using a magic square with 5 missing numbers. Their job is to find these numbers using algebra.
Worksheet
Curated OER

Probability of One Event

For Students 4th - 6th
In these finding the probability worksheets, students use a dart board, playing cards, and a board game to problem solve. Students solve 17 problems.