Worksheet
Curated OER

Addition: one and two digit numbers

For Students 2nd
In this addition worksheet, 2nd graders add one and two digit numbers together with the help of a number line. Students complete 19 problems.
Worksheet
Curated OER

Addition: Visual Math - Level 1 - Exercise 7 - Option 2

For Students 1st - 2nd
In this addition worksheet, students add one digit numbers to the number 6. Students complete 10 problems and write the sum when they get the answer.
Lesson Plan
Curated OER

Dance, Dance, Dance

For Teachers K - 2nd
Use dance and song to help your charges in adding whole numbers to 10. In this adding to 10 lesson, learners become the manipulatives as you add them.
Lesson Plan
EngageNY

Decimal Expansions of Fractions, Part 1

For Students 8th Standards
Is it possible to add infinitely long decimals? As pupils complete the examples in the ninth lesson of this 25-part series, they determine that adding these decimals cannot be done without error. Their task is then to determine the size...
Lesson Plan
Illustrative Mathematics

Pick Two

For Teachers Pre-K - 1st Standards
Learning to break apart numbers into smaller pairs is a critical step young mathematicians take as they develop their number sense. To practice this skill, children are provided with sets of three numbers and are asked to pick the two...
Lesson Plan
Math Solutions

Race to 20

For Teachers K - 2nd Standards
And they're off! Working in pairs, young mathematicians roll dice to see who can fill in their double ten-frames first. When learners finally fill in their arrays, they create addition number sentences that represent their rolls, helping...
Worksheet
Curated OER

More and Less

For Students 1st - 2nd
Mental mathematicians add and subtract 1, 10, and 100 from sets of numbers. Each set of one, two and three-digit numbers gives scholars a chance to practice their addition and subtraction skills. There are 62 whole numbers in all. What...
Lesson Plan
West Contra Costa Unified School District

The Power of Ten: Building a Magnitude Model

For Teachers 4th - 5th Standards
Add visual representation to teaching place value with a magnitude model. Using adding machine tape, pupils build a linear place value strip from 1 to 100.
Activity
1
1
Illustrative Mathematics

Computations with Complex Numbers

For Teachers 9th - 12th Standards
This quick set of problems provides a brief refresher on the arithmetic of complex numbers. Learners need to multiply, add and subtract, and remember features of i when raised to a power. Included solutions are clear enough that...
Lesson Plan
Curated OER

Pattern Puzzles

For Teachers 1st - 2nd
A short video introduces place value in addition and subtraction. As a class, your students identify all even numbers up to one hundred and explain the pattern. They use addition strategies to fill in the missing numbers on the number grid.
Worksheet
Curated OER

Adding 3 to a Single Digit

For Students 1st - 2nd
In this adding 3 worksheet, students solve ten problems in which the number three is added to a single digit number. The problems are in horizontal format.
Worksheet
Curated OER

Adding 1's (B)

For Students K - 2nd
In this addition review learning exercise, students use problem solving skills to solve 50 problems that require them to add single digit numbers to the number 1.
Worksheet
Curated OER

Simple Addition #2: Numbers 1-5

For Students 1st - 2nd
In this simple addition worksheet, students solve 10 problems that use numbers 1-5. Every problem adds a 1 digit number to another 1 digit number.
Worksheet
Curated OER

Single Digit Addition- Math Worksheet

For Students 1st - 2nd
In this single digit addition instructional activity, students complete 20 vertical addition problems. They add using the numbers 0-10 even though the instructional activity is entitled "single" digits.
Lesson Plan
Curated OER

Ten More and Ten Less

For Teachers K - 3rd
Get learners to analyze two-digit numbers based on place value, and use manipulatives to add and subtract both 1 and 10. A place value chart is available, and you can project it during guided practice. Through visualizing...
Worksheet
Curated OER

Add Two-Digit Numbers

For Students K - 2nd
In this addition worksheet, students practice adding 6 2-digit mathematical problems. Students follow 3 steps to adding tens and ones together. Students trace 4 dotted numbers provided in 2 addition problems.
Worksheet
Curated OER

Three Addends

For Students 2nd
In this addition worksheet, 2nd graders add single digit numbers using three addends. Students complete 18 problems for mastery and circle the addend they used first .
Worksheet
Curated OER

Add Two-Digit Numbers

For Students K - 2nd
In this addition worksheet, students practice adding 9 two-digit addition math problems involving tens, ones and regrouping. Students solve the answer to 1 test prep question and fill in the circle for the correct answer from a multiple...
Lesson Plan
Curated OER

Math Lesson Plan : Finger Counting

For Teachers 1st - 2nd
Create a class of mathematics master. They practice addition to ten until they have mastered the skill. They use their hands to add numbers and eventually find the missing addend to make a sum of 10. They also subtract a single digit...
Worksheet
Curated OER

Count by 5s, 10s, and 100s

For Students 1st - 2nd
These number sequences are missing digits! Each of the six has one missing number and scholars must figure out what it is. Here's the pattern, though: all of these sequences involve counting by 5s, 10s, and 100s. Learners add one of...
Worksheet
Curated OER

Two-Digit Sums With Regrouping

For Students 2nd - 3rd
In these twenty addition worksheets, students add two-digit plus two-digit numbers with regrouping. Students solve 200 problems.
Worksheet
Curated OER

One and Tens Place Value - Step-by-Step Lesson

For Students 1st - 3rd
Give your pupils a grasp of place value in a two-digit number. They see a drawing of counting cubes in a stick of ten, then examine a set of four. Mathematicians determine how many blocks there are by grouping the tens. Ideally, you will...
Writing
Curated OER

Adding with Different Numbers of Digits

For Students 3rd - 5th
Expand addition concepts by challenging your pupils with these multi-digit addends. They add up numbers with up to seven digits, regrouping where needed. The first six are written vertically and the next two are horizontal. Make...
Worksheet
Curated OER

Addition using numbers between 0 and 10

For Students K - 1st
In this math worksheet, students add numbers using numbers between 0 and 10. Problems are lined up vertically. An answer sheet can be created by clicking on the link at the bottom of the page.  

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