Lesson Plan
Curated OER

Study Buddies: Adding Three-Digit Numbers

For Teachers 2nd - 3rd
In this math worksheet, students will work with a coach to solve a story problem in which they must add three-digit numbers. Students will follow a step-by-step process and notes are provided for the coach.
Printables
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K-5 Math Teaching Resources

Ten Frame

For Teachers Pre-K - 2nd Standards
Engage young mathematicians in building their number sense with this set of ten frame printables. Whether you're teaching pupils how to count, add, or subtract, these tools offer children tremendous support with...
Worksheet
Houghton Mifflin Harcourt

Mental Math: Subtract Tens - Homework 12.1

For Students 1st - 3rd Standards
Now that your class can add by 10s they can start subtracting by 10s. This clear, learner-friendly worksheet provides a good example (10-rods are pictured) and 7 problems to solve. Relates groups of tens to single-digit numbers, which...
Worksheet
Curated OER

Division by 1-Digit Numbers #2

For Students 4th - 5th Standards
Start simple as mathematicians begin long division with remainders. These 16 problems are in two sections with fraction remainders in the first eight and unit remainders in the second eight. Each problem has a single-digit divisor and...
Worksheet
Mental Arithmetic

Mixed Addition and Subtraction Year 1

For Students 1st - 2nd Standards
Reinforce addition and subtraction with a 30-problem arithmetic worksheet in which scholars add and subtract numbers between one through 10. 
Activity
Math Learning Center

Grade 1 Supplement Set A4 – Number and Operations: Equivalent Names

For Teachers 1st Standards
Engage young mathematicians in developing their basic arithmetic skills with these great hands-on activities. Using Unifix® cubes to model a variety of single digit addition and subtract problems, children build a basic...
Worksheet
Curated OER

And 1 More Makes...

For Students Pre-K - K Standards
If we add one more, how many will we have? Beginners to addition practice this skill using images and counting as they draw one more sock to each set and record the new total. There are three of these followed by four more similar...
Worksheet
Curated OER

Colors That Make 10 Worksheet

For Students K - 1st
Only the clouds that make 10 should be colored in this visual worksheet for young mathematicians. They examine 12 clouds with addition problems (all single-digit addends), coloring only the ones with a sum of 10. There are five here that...
Lesson Plan
Curated OER

Study Buddies: Adding Two-Digit Numbers

For Teachers 1st - 2nd
Some times a simple lesson is all you need. Here are 2 worksheets that can be used as a lesson on problem solving, addition, and partner work. The first worksheet has learners use a tens and ones charts to practice adding simple...
Worksheet
Curated OER

1 Less or 1 More

For Students 1st - 2nd Standards
Complete these images with values one less and one more; young mathematicians fill in bunches of flowers, starting at a middle number and working their way to the right by addition and to the left by subtraction. For each flower they...
Worksheet
Curated OER

Addition to 10 Sheet 3

For Students K - 1st Standards
Practice makes perfect, so perfect those budding math skills with a practice sheet where scholars add two numbers to equal 10. A number line is included for extra support.
Worksheet
Curated OER

Add Single Digits

For Students K - 2nd
In these twenty addition worksheets, students add one-digit plus one-digit numbers horizontally. Students find the sums for 200 problems.
Lesson Plan
Curated OER

What's That Number? 1-Digit Addition and Subtraction

For Teachers 1st - 2nd
In this subtraction and addition worksheet, young scholars fill in missing numbers in problems necessary to arrive at given answers. All problems use 1-digit numbers only.
Lesson Plan
Curated OER

Addition: one and two digit numbers

For Teachers 1st - 3rd
Learners add one and two digit numbers together with the help of a number line. There are 18 problems to complete.
Worksheet
Curated OER

Column Addition, 3-Digit and 4-Digit Numbers

For Teachers 3rd - 5th Standards
Show scholars that if they can add two multi-digit numbers, they can add four! They complete 20 practice problems adding three and four-digit numbers. All the equations have four addends and include units. All numbers are whole numbers....
Lesson Plan
Scholastic

Adding and Subtracting Ten

For Teachers K - 2nd Standards
Developing fluency with basic addition and subtraction is fundamental to the success of all young mathematicians. This four-day lesson series begins with learners using ten-frames and hundreds charts to recognize patterns when adding and...
Worksheet
DK Publishing

Addition with 3-Digit Numbers #1

For Students 2nd - 3rd Standards
Once your mathematicians can add two-digit numbers, it's time to bring on the three-digit addends. Here are 20 practice problems, each involving two whole-number addends. Learners do not need to regroup for any of these, and they have...
Worksheet
Curated OER

Find the Sums (Under 100)

For Students 1st - 2nd
All of these sums are under 100: learners practice with three types of addition problems, each with two equations. First, they add a double-digit and single-digit number. Then, scholars add two double-digit numbers, one being a multiple...
Worksheet
Curated OER

Adding Up

For Students 1st - 2nd
Make addition visual in order to help beginners understand the concept. They add up beads on a string, examining an example before trying it on their own. Learners fill in addends and sums for these, and sometimes both....
Worksheet
National Security Agency

Go One-on-One with Decimals

For Students 4th - 5th Standards
Shoot and score with three basketball-themed lessons about decimals. Young mathematicians compare game statistics, make trash can hoops, and play a data spinner game to practice identifying digits and values within decimal numbers.
Worksheet
Curated OER

Single Digit Addition

For Students 1st - 2nd
In these three finding the sums worksheets, students add one-digit plus one-digit numbers to problem solve. Students solve 30 problems.
Worksheet
Curated OER

Fun Math Worksheet: 1-Digit Addition 10

For Students K - 2nd
In this addition practice worksheet, students solve 15 problems that require them to add 1 or 2-digit numbers to 1-digit numbers.
Worksheet
Curated OER

Fun Math Worksheet: 1-Digit Addition 10

For Students K - 2nd
In this addition practice activity, students solve 15 problems that require them to add 1 or 2-digit numbers to 1-digit numbers.
Worksheet
Curated OER

Fun Math Worksheet: 1-Digit Addition 10

For Students K - 2nd
In this addition practice activity, students solve 15 problems that require them to add 1 or 2-digit numbers to 1-digit numbers.