Lesson Plan
Illustrative Mathematics

Comparing Numbers

For Teachers K - 2nd Standards
Young mathematicians spin their way to a deeper number sense with this fun, collaborative activity. Using two spinners, one with the numbers 0-9 and the other with the decades 00-90, pairs of students take turns building and comparing...
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...
Lesson Plan
Curated OER

Add It Up In Number Ville! Adding 2-Digit Numbers With and Without Regrouping

For Teachers 2nd - 4th
Learners explore adding 2-digit numbers. In this math lesson, students identify 2-digit numbers and use base ten blocks to practice adding. Learners use addition to break a code.
Worksheet
Math Salamanders Ltd.

Column Addition - 2 Digits Sheet 1

For Students 2nd - 3rd Standards
In this column addition problem, learners add two-digit numbers with and without regrouping. Students complete 12 addition problems.
Worksheet
Mental Arithmetic

Mixed Addition and Subtraction Year 1

For Students 1st - 2nd Standards
Reinforce addition and subtraction with a 30-problem arithmetic activity in which scholars add and subtract numbers between one through 10. 
Worksheet
Math Salamanders Ltd.

Addition to 10 Sheet 1

For Students K - 1st Standards
In this addition worksheet, first graders add one-digit numbers up to the number 10. Students complete 10 addition problems and are given dots to add up to help them.
Worksheet
Math Worksheets Land

Add up to Four Two-Digit Numbers - Step-by-Step Lessons

For Students 1st - 2nd Standards
Okay, so your scholars are excelling at two-addend addition problems, but what about three or four? Here are some practice problems to stretch their math skills. They find the sums of six equations: two with two addends, two with three...
Lesson Plan
Curated OER

Napier's Rods

For Teachers 4th - 6th
Young mathematicians explore the concept of multiplication using Napier's Rods. They use Popsicle sticks to create a 3D model of Napier's Rods. Pupils multiply multiple digit numbers using Napier's Rods.
Lesson Plan
Curated OER

Multiplication Mania

For Teachers 3rd - 5th
Students multiply by one-digit whole numbers.
Lesson Plan
Curated OER

Dollar Word

For Teachers K
Students review the value of coins prior to adding up values to equal one dollar. Letters of the alphabet are assigned monetary values and students use calculators to add up the value of a word. Students work with a partner to try and...
Worksheet
Math Worksheets Land

Add and Subtract Multi-Digit Whole Numbers

For Students 3rd - 5th Standards
Help young mathematicians see the value in addition and subtraction. Offering one addition and one subtraction problem, this worksheet walks students step-by-step through the solutions of each, starting in the ones place and working...
Worksheet
Curated OER

Column addition - 4 digits Sheet 1

For Students 3rd - 5th Standards
In this column addition worksheet, learners add four-digit numbers together with regrouping. Students complete 15 column addition problems.
Lesson Plan
Curated OER

Adding Two-digit Numbers Using Dimes and Pennies

For Teachers 1st
First graders study money. In this addition lesson, 1st graders count and add two-digit numbers using dimes and pennies.
Lesson Plan
Curated OER

Lesson Design Protocol: Add and Subtract

For Teachers 3rd - 4th Standards
Addition and subtraction are studied in this math lesson. Upper graders add and subtract whole numbers up to 1,000 with and without regrouping.
Interactive
CK-12 Foundation

Values Written as Powers: Binary Numbers 1 to 8

For Students 6th - 8th Standards
A six-question interactive tasks scholars with adding binary numbers one through eight. A tool acts as a visual aid to showcase the patterns made when working with base—2, digits zero and one. Question types include fill in the blank,...
Worksheet
Raytheon

Adding and Subtracting Decimals

For Students 5th - 7th
For this adding and subtracting decimals instructional activity, students add and subtract numbers with decimals in word problems. Students complete 12 word problems.
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
K5 Learning

Addition and Subtraction Word Problems #1

For Students 3rd - 4th Standards
Third graders read and solve six word problems and decide whether to add or subtract. The numbers range in 2-digit up to 4-digit.
Worksheet
Math Salamanders Ltd.

Column Addition - 5 Digits Sheet 1

For Students 4th - 5th Standards
Here is a column addition with a five-digit activity, in which learners add the five-digit numbers while carrying and keeping the columns aligned.
Interactive
CK-12 Foundation

Estimation of Whole Number Multiplication and Division: Lettuce Garden

For Students 3rd - 8th Standards
Estimating whole number multiplication and division is the focus of an interactive that uses a garden plot with moveable points to answer six questions.
Worksheet
Math Salamanders Ltd.

Addition - 2 Digit Addition Sheet 1

For Students 2nd - 4th Standards
For this addition learning exercise, students add two digit numbers with and without regrouping. Students complete 30 two digit addition problems.
Worksheet
Math Salamanders Ltd.

Column Addition (No Carrying) - 2 Digits Sheet 1

For Students 1st - 3rd Standards
Students complete 12 problems, adding 2-digit numbers. Problems do not require carrying. A reference website is given for additional activities.
Lesson Plan
Curated OER

Adding Two Digit Numbers with Using Dimes and Pennies

For Teachers 2nd
Second graders participate in a math game using dimes and pennies. They practice combining coins to make a given amount of money, and they use the combinations to practice adding two digit numbers. Teacher assessment strategies and...
Lesson Plan
Curated OER

Addition of Numbers

For Teachers 2nd
Second graders add two digit numbers with manipulatives. In this addition lesson plan, 2nd graders are given blocks to add numbers together.