Worksheet
Curated OER

One of Einstein's Favorite Puzzles

For Students 9th - 11th
In this algebra worksheet, students are given a word problem and asked to find the number that someone wrote down without telling the other person. They follow specific algebraic steps to arrive at their solution. There is an...
Lesson Plan
Curated OER

Subtracting Two-Digit Numbers

For Teachers 2nd - 3rd
In this math worksheet, students solve three word problems involving subtraction. The first problem is guided. Students use the questions to solve the problem. Students solve two more problems without the guide questions.
Worksheet
Curated OER

More All Two Minute Test

For Students 1st - 2nd
For this subtraction practice worksheet, students solve 80 problems that require them to subtract 1-digit numbers from 1 or 2-digit numbers.
Worksheet
Curated OER

Subtraction 1 10

For Students K - 2nd
In this subtraction facts worksheet, students find the difference in one-digit problems written horizontally and vertically with no regrouping. Students solve 29 problems.
Lesson Plan
Curated OER

Mental Subtraction Methods

For Teachers 4th - 5th
For this math worksheet, students learn a strategy to mentally subtract a single digit number from a two digit number such as 53-8. Students follow the detailed instructions to subtract in 18 problems.
Lesson Plan
Curated OER

Take Away Bar 2

For Teachers 3rd - 7th
Students use an Internet tool, The Take-Away Bar" to solve subtraction problems. They use mental strategies to subtract a two-digit number from a larger two-digit number. Students write and solve subtraction problems. They describe...
Lesson Plan
Curated OER

Math: Navigating the World Around Me

For Teachers 4th - 6th
Young mathematicians research and discuss real world math word problems and ways in which they apply math concepts in their everyday lives. They create a storyboard of a math word problem from which they create a slide for a multi-media...
Worksheet
Worksheets Plus

Place Value Worksheets - What Number Am I?

For Students 1st - 2nd Standards
Practice place value with this resource. The 12 questions consist of riddles. For example, "I have 4 tens and 2 ones. What number am I?" This is a creative approach to thinking about double-digit numbers. Answers are available so...
Worksheet
Curated OER

What Numbers Do Digits Represent

For Students 4th - 6th
In this place value instructional activity, students write down the value of the number underlined in the larger numbers. For example, 390 945 will be provided and students write down 40. They then use a calculator to solve addition and...
Worksheet
Curated OER

Difference

For Students 1st - 2nd
In this subtraction instructional activity, students solve 20 problems in which one or two digit numbers are subtracted. The word "difference" is used. Example: Find the difference between 16 and 7.
Worksheet
Curated OER

A Frightening Mix of Math, A-Add or Subtract, But Look Out for the Monsters

For Students 2nd - 3rd
In this math worksheet, students add and subtract. Fifteen problems are subtraction, students subtract two digit numbers from three digit numbers. Regrouping is required. Twenty-one problems are addition, students add two digit numbers...
Lesson Plan
Curated OER

Subtraction

For Teachers 1st - 2nd
Students explore subtraction. In this mathematics lesson, students practice how to subtract numbers from 20, 100 and other whole numbers. Students realize that there are number bonds which can help with subtraction like 3 and 17 bonds to...
Worksheet
Curated OER

Fourth of July Addition and Subtraction

For Students 2nd - 3rd
What is Thomas Jefferson signing? Focus on American history with this cross-curricular math puzzle. Learners utilize addition and subtraction skills to solve the mystery of the Fourth of July. All numbers are 3-digit, and there are no...
Worksheet
Curated OER

Subtraction Worksheet : Numbers to 19 (1 of 3)

For Students 1st - 2nd Standards
In this subtraction activity, students find the differences to 53 horizontal and vertical subtraction problems. They work with numbers up to 19 and do not regroup while working.
Worksheet
Curated OER

Using Divisibility

For Students 7th
In this divisibility worksheet, 7th graders solve 10 different problems related to using divisibility rules to solve each one. They use the clue given for each problem to fill in the missing digit. Students determine which prime number...
Worksheet
Curated OER

Subtracting Two

For Students K - 2nd
In this subtraction worksheet, students solve a total of 25 problems using 1-digit numbers and subtracting 2. A website reference for additional resources is given.
Worksheet
Curated OER

Add and Subtract within 20

For Students 1st - 3rd
These true equations are missing numbers. Scholars examine a set of possible answers to fill in each of the nine equations. Consider covering up the answer options, as it may be more helpful to have learners simply figure these out...
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.
Lesson Plan
Curated OER

Rooster's Off To See the World Number-Sense

For Teachers 1st - 2nd
Young scholars recognize how numbers are used in number stories.  In this Rooster's Off To See the World lesson, students participate in the story. Young scholars complete a number activity and work on the computer to illustrate a...
Lesson Plan
Curated OER

Relationship Between Addition and Subtraction

For Teachers 2nd - 3rd
Students are taught how to add and subtract and use number sense to solve basic math problems. In this addition and subtraction lesson, students are being taught using theories from different philosophers in education. They are given a...
Lesson Plan
Curated OER

Carry and Borrow

For Teachers 2nd
Second graders complete basic math computations. In this addition and subtraction lesson, 2nd graders learn how to carry and borrow numbers when adding and subtracting. Students learn a carrying song to help them remember. Students...
Worksheet
Curated OER

Odd or Even?

For Students 3rd
For this subtraction worksheet, 3rd graders subtract 2 digit numbers by 2 digit numbers to answer 24 problems. Students circle the differences that are odd and draw a box around differences that are even.
Lesson Plan
EngageNY

Scientific Notation

For Students 8th Standards
Young mathematicians learn how scientific notation is meant to save time. Part 10, out of a series of 15, asks scholars to recognize the correct use of scientific notation and finish by adding and subtracting numbers using...
Activity
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Resources for Educators

Math & Science Connection

For Teachers Pre-K - 3rd Standards
Whether you're using a collection of Dr. Seuss books to teach basic math skills like counting, adding, and subtracting, or exploring the different states of matter by melting a crayon with a hairdryer, a series...