Lesson Plan
Curated OER

Subtracting Integers: Math, Physical Education, Dancing, Negative Numbers

For Teachers 6th - 8th
Middle schoolers demonstrate their understanding of positive and negative integers by adding and subtracting. More importantly, students explain why a negative number, subtracted from a negative number, changes the operation.
Lesson Plan
Curated OER

Skip it to multiply it

For Teachers 1st
First graders make sensible estimates and check the reasonableness of answers. They make up, tell and record number stories up to 9 about given objects. They skip count in twos, threes and fives.
Lesson Plan
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Curated OER

Using Math Concepts to Collect and Document Specimens

For Teachers 8th - 12th
Students determine the length and width of leaf samples to the nearest millimeter and the circumference of trees. They participate in a discussion about the importance of collecting specimens carefully. They compile accurate...
Lesson Plan
Curated OER

Adding Doubles (B)

For Teachers 1st - 2nd
In this adding doubles worksheet, students enhance their addition skills by adding the double numbers. Students add to solve the 21 problems.
Worksheet
Curated OER

Worksheet #10

For Students 2nd
In this mathematics activity, 2nd graders solve various problems by either adding or subtracting when necessary two-digit terms. They use a number line at the top for help solving each.
Lesson Plan
Curated OER

Connect the Dots

For Teachers K - 1st
Students practice counting to ten. In this coloring worksheet, students learn about the different types of trucks that transport goods by counting to ten and connecting the dots to complete the picture.
Lesson Plan
Curated OER

Using Tens Frames To Build Basic Facts of Five

For Teachers K - 2nd
Learners are introduced to the basic addition facts of five. Through modeling and instruction and the use of ten frames, they discover the various ways numbers can be added together to equal five. (4+1, 2+3, etc.) They repeat with facts...
Worksheet
Curated OER

Place Value to 10,000

For Students 3rd - 4th
In this ten thousands place worksheet, students review the table that shows the diameters of the largest moons in the solar system and the planet it orbits. Students use the table to help them understand numbers with a place value of...
Worksheet
Curated OER

Add and Subtract Within 20

For Students K - 2nd
Break down addition and subtraction into short sentences using this brief worksheet. Each question prompts scholars to make a number by doing three math operations. For the first, they make 10 by adding three, adding five, and...
Worksheet
Curated OER

Comparisons

For Students 1st - 2nd
Explore number value with learners through playing cards. They examine sets of three cards, adding up the value and comparing it to another set of three. Learners write in which is greater than or is less than to show number value...
Worksheet
DK Publishing

Sets

For Students 2nd - 3rd Standards
Do scholars understand multiplication as sets of numbers? Help them grasp this concept through groups of objects arranged as a makeshift multiplication number sentence. They examine the sets and fill in boxes to indicate how many sets of...
Worksheet
Curated OER

Fact Families - Part 2

For Students 1st - 2nd Standards
Complete these fact families; mathematicians use addition number sentences to write three more equations, all of which are members of the same fact family. There is an example here to guide them, and they solve for nine more number...
Lesson Plan
West Contra Costa Unified School District

Simplify Expressions and Solve Equations Using Two-Column Proofs

For Students 8th - 10th Standards
Increase understanding of the algebraic properties and their importance. Scholars justify their steps as they simplify expressions and solve equations. They formalize their work as two-column proof.
Worksheet
Curated OER

Add and Subtract Decimal Tenths (F)

For Students 3rd - 4th
In this adding and subtracting decimals and whole numbers worksheet, learners find the sums and differences of tenths. Students solve 32 problems.
Lesson Plan
Curated OER

Number Chart and Number Line

For Teachers 1st
First graders research strategies for identifying numbers through 100. In this number recognition activity, 1st graders make games, create puzzles,and fill in missing numbers to practice number identification.
Lesson Plan
Curated OER

Krypto Math Game

For Teachers 3rd - 5th
Students play a math game. For this number sense and mental math lesson, students play a game where they use mental math to form equations that result in the target number required to win the game.
Interactive
Curated OER

Estimating and Rounding

For Students 6th - 7th
In this estimation and rounding worksheet, students solve ten multiplication problems by using estimation and rounding skills. This is an interactive worksheet.
Worksheet
Curated OER

Abacus Work

For Students 4th - 6th
In this abacus instructional activity, students use abacus pictures to determine 5-digit sums. In this fill in the blank instructional activity, students write eight answers.
Worksheet
Curated OER

Mental Math Skills

For Students 2nd - 3rd
For this mental math worksheet, students use a number line to count backwards and forwards, add doubles, add and subtract one, and add one-digit numbers. Students solve thirty problems.
Worksheet
Curated OER

Word Formation Worksheet 9

For Students Higher Ed
In this ESL spelling instructional activity, students will focus on vocabulary enhancement. Students will complete 10 fill in the blank questions, by reading each sentence using the correct form of the given base word to complete each.
Worksheet
Curated OER

Standard written method for addition of 2-digits

For Students 3rd - 5th
In this addition activity, students learn how to add two 2-digit numbers together. They then use what they read to solve the 12 addition problems. That answers are on the last page.
Worksheet
Curated OER

Writing Equations: Addition and Subtraction 0 to 20

For Students 2nd - 3rd
In these subtraction and addition worksheets, students write the equations for the addition and subtraction sentences. Students solve 28 problems.
Worksheet
Curated OER

Writing Equations in Slope-Intercept Form

For Students 7th - 10th Standards
Use this worksheet to write equations in both point-slope form and slope-intercept form. Start by writing equations given one point and the slope and finish by writing equations given two points and a few real-world applications. The...
Worksheet
Curated OER

Math in English Skills VIII Exercise Book

For Students 3rd - 6th
For some learners, fractions are the bane of fifth- and sixth-grade existence. Use this fantastic packet to help those in remediation for mathematics. The packet contains 20 worksheets with answer keys, and covers adding, subtracting,...