Lesson Plan
Curated OER

Double-Digit Addition with Regrouping

For Teachers 1st
First graders recall place value system and double-digit addition, create and manipulate double-digit regrouping, and devise and identify ways to use regrouping.
Lesson Plan
Curated OER

Adding and Subtracting Integers

For Teachers 7th
Seventh graders review the concept of integers and how to combine them. They use the number line in different situations for the visual needed to see how adding can be done. Then students practice with numerical expressions.
Worksheet
Curated OER

Crossword Puzzle- Numbers

For Students 3rd - 5th
In this ESL worksheet, students read 20 clues in which two numbers are added or multiplied. Students translate their number answers into words and fit them into a crossword puzzle.
Lesson Plan
Curated OER

Numbers Make Sense

For Teachers 2nd
Second graders explore number values by completing estimation problems in class. For this place value lesson, 2nd graders identify the use of decimals in numbers and how they relate to fractions or parts of a whole. Students utilize...
Worksheet
Curated OER

Mental Addition of 3 numbers pg. 1

For Students 4th - 5th
Mental math is a wonderful skill for students to hone. In this adding mentally activity, students solve three number addition problems. A total of sixteen problems are solved.
Lesson Plan
Curated OER

Five Minute Adding Frenzy (B)

For Teachers 1st - 2nd
For this addition worksheet, pupils complete a five minute addition frenzy sheet. They complete 4 charts finding the sums of the columns and rows in each space. They have five minutes to finish each chart with 98% accuracy.
Lesson Plan
Curated OER

Approximate Solution to an Equation

For Teachers 8th - 10th
Students solve equations through trial and error. In this algebra lesson, students first estimate their answers and then calculate it to check their work. They solve problems involving roots and integers.
Worksheet
Curated OER

Add Whole Numbers

For Students 3rd - 4th
In this addition practice worksheet, students practice their math skills as they solve 21 addition problems that require them to add 3 digit numbers, 4 digit numbers, and money. Students also answer 2 test prep questions.
Worksheet
Curated OER

What Number, Which Added to 100 and 164 Make Them Perfect Squares?

For Students 8th - 12th
In this perfect squares worksheet, students solve to find the numbers, which added to 100 and 164 make them perfect squares.  The solutions are provided.
Worksheet
Curated OER

Adding in the Garden

For Students Pre-K - K
In this adding with picture clues worksheet, learners write the missing number in each of 8 number sentences. All numbers will be below 5.
Worksheet
Curated OER

Sums: adding same number

For Students 1st - 2nd
In this doubles addition worksheet, students add the sums of doubles addition problems with numbers up to 9. Students complete 10 problems.
Interactive
Curated OER

Moving From Addition to Multiplication

For Students 3rd
In this moving from addition to multiplication worksheet, 3rd graders count the objects that are being added and write it as a multiplication sentence, check the answers online and continue to next problem.
Lesson Plan
Curated OER

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

For Teachers 6th - 8th
Students 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
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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

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
Curated OER

Adding More Than Two Numbers

For Teachers 4th - 5th
In this adding more than two numbers worksheet, young scholars, working with a partner, calculate the answers to eleven addition equations.
Lesson Plan
Curated OER

Understanding number to 100

For Teachers 3rd - 5th
Students research equivalent representations of numbers using the base 10 system. For this Base 10 lesson, students examine place value, representations of numbers, and multiples of one, ten, and one-hundred.
Worksheet
Curated OER

Adding on Two

For Students 1st - 3rd
In this mathematical adding on two worksheet, students problem solve twenty equations by adding a two to each one for a final calculation and/or answer.
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.
Worksheet
Curated OER

Add 2-Digit and 1-Digit Numbers with Regrouping

For Students 3rd - 4th
In this addition and regrouping worksheet, students solve the addition problems using 1 and 2 digit addition problems. Students use regrouping to solve the addition problems.
Worksheet
Curated OER

Place Value to 10,000

For Students 3rd - 4th
In this ten thousands place worksheet, learners 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...
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, students find the sums and differences of tenths. Students solve 32 problems.
Lesson Plan
Curated OER

Vectors

For Teachers 10th - 12th
Students describe a complex path by the use of adding vectors. They comprehend the difference betwee scalar and vector quanitities. Students disucss the naviagation lab. They are explained the procedures for the lab. Students are...