Lesson Plan
Pennsylvania Department of Education

Comparing Sets

For Teachers Pre-K - 2nd
Students count back with cubes to model subtraction problems. In this subtraction lesson plan, students compare sets of problems and record their results in a table.
Lesson Plan
Curated OER

Casting Out Nines

For Teachers 4th - 6th
Learners identify division problems with no remainders. In this division lesson, students learn to decipher division problems using addition and subtraction to determine if the problem will contain a remainder.
Worksheet
Curated OER

Add or Subtract

For Students 1st - 2nd
In this addition and subtraction worksheet, learners solve addition and subtraction problems containing one digit numbers. Students complete 52 problems.
Worksheet
Curated OER

Add or Subtract

For Students 1st - 2nd
In this addition and subtraction worksheet, students complete addition and subtraction problems containing one digit numbers. Students complete 52 problems.
Worksheet
Curated OER

Make 80

For Students 4th - 6th
In this addition worksheet, students solve 15 addition and subtraction problems using 2-digit numbers. The answers are on the second page.
Worksheet
Curated OER

Subtract 19

For Students 2nd - 3rd
For this subtracting 19 worksheet, students subtract 19 from different 2 digit numbers. Students complete 18 problems where they subtract 19.
Worksheet
Curated OER

Which Operation To Use?

For Students 2nd
In this basic addition and subtraction learning exercise, 2nd graders will determine the correct operation to use. Students will study 8 problems and the given answer, deciding if the correct sign to use will represent addition or...
Worksheet
Curated OER

Solving addition equations

For Students 5th - 8th
For this addition equations worksheet, students solve equations with variables that have one and two digit numbers in them. Students complete 4 problems.
Worksheet
Curated OER

4-Digit Problem Solving: Add and Subtract

For Students 3rd - 5th
In this problem solving worksheet, learners solve a total of 7 equations, drawing models and using algorithm. A reference web site for additional activities is given.
Worksheet
Curated OER

Addition: Number Bonds to 40

For Students 2nd - 3rd Standards
For this addition and subtraction worksheet, students use their problem solving skills to solve 41 problems as they fill in the missing numbers in each of the problems.
Worksheet
Curated OER

Using Addition To Subtract

For Students 2nd
In this addition and subtraction worksheet, 2nd graders solve 9 subtraction problems and find the missing digit in 9 addition problems.
Worksheet
Curated OER

Subtractions

For Students Pre-K - 1st
In this early childhood subtraction practice worksheet, students use the pictured counters to solve 3 problems that require them to subtract 1 digit numbers.
Worksheet
Curated OER

Estimate Sums and Differences

For Students 6th
In this sums and differences instructional activity, 6th graders solve 20 different problems that including the estimation of numbers in each one. They estimate the sum or difference found in each problem and write it in the space...
Worksheet
Curated OER

Adding - Written Questions

For Students 3rd - 5th
In this addition worksheet, students solve the 10 subtraction problems and write the answers in the boxes. The problems involve adding a 2-digit number to a 2-digit number. The answers are on the second page.
Lesson Plan
Curated OER

Finding Addition Patterns

For Teachers Pre-K - 2nd
Students practice finding the sums of two-one digit numbers. In this addition lesson plan, students also record facts onto an addition chart.
Lesson Plan
Curated OER

Tear + Net = Gross

For Teachers 2nd
Second graders find the net weight of a grocery item by weighing it with the tear. In this weight measurement lesson, 2nd graders bring in cans of food and watch a video about weight measurement. Students review the meanings of gross,...
Worksheet
Curated OER

Crossword Puzzle: Decimals Vocabulary

For Students 6th
For this crossword puzzle:  decimals vocabulary worksheet, 6th graders fill in the puzzle using the clues and math vocabulary words.
Worksheet
Curated OER

Subtract From 15

For Students 2nd - 3rd
For this subtraction worksheet, students solve 8 problems in which a single digit is subtracted from 15. Students then solve 8 problems in which numbers are subtracted from 17.
Worksheet
Curated OER

What Could It Be?

For Students 3rd - 5th
In this number sense worksheet, students examine a group of numbers from 1 to 7 digits and use these numbers to answer 9 fill in the blank problems regarding number sense and place value.
Lesson Plan
Curated OER

Study Buddies: Counting Back Tens and Ones

For Teachers 1st - 2nd
In this math worksheet, students will work with a coach to solve a problem in which they must subtract by counting back by tens and ones. Students will follow a step-by-step process and notes are provided for the coach.
Worksheet
Math Salamanders Ltd.

Adding 1s, 10s, 100s, and 1000s

For Students 3rd - 4th Standards
In this addition activity, students complete a 13-row chart. They start with three or four-digit numbers and add 1, 10, 100, or 1000 to each number to fill in the chart. The last four questions require subtraction because the initial...
Lesson Plan
Pennsylvania Department of Education

What Balances?

For Teachers Pre-K - 2nd
Students explore another meaning of subtraction as it pertains to the inverse of addition. In this what balances instructional activity, students identify the concept of subtraction as a balance. Students use subtraction facts to...
Lesson Plan
Curated OER

Math Stories 1

For Teachers 2nd
Second graders use technology to draw shapes or select pictues to represent an addition or subtraction equation. They also write the equation, and a story that matches the equations.
Worksheet
Curated OER

Add and Subtract Decimals

For Students 4th - 6th
In this decimal worksheet, learners read about adding and subtracting, then complete a set of 31 problems, adding, subtracting, solving for values of expressions and solving equations.