+
Interactive
Curated OER

Addition and Subtraction

For Students 1st - 4th
In this addition and subtraction worksheet, students solve simple problems where the tens and ones place value columns are labeled. Worksheet is labeled as a sample from a subscription site.
+
Worksheet
EdHelper

Addition and Subtraction Using Place Value

For Students 2nd - 3rd
In this addition and subtraction activity, students solve simple problems where the tens and ones columns of numbers are labeled for them. Students then solve 4 word problems. Worksheet is part of a subscription site with links and is...
+
Lesson Plan
Education World

Counting with Marshmallows and Licorice

For Teachers K - 2nd Standards
Here's a tasty lesson on place value! Learners practice counting by ones and tens using mini-marshmallows and licorice sticks. They count and add the mini-marshmallows, and use the licorice sticks to represents tens.
+
Lesson Plan
Curated OER

Counting Seeds

For Teachers K - 2nd
Students practice skip counting strategies, estimation, and higher number addition. They estimate the number of seeds in bell pepper, and count seeds in groups of tens and ones after the teacher removes seeds from the pepper.
+
Lesson Plan
Curated OER

Three-Digit Addition

For Teachers 3rd - 4th
Learners work with hundreds place value, create and manipulate three-digit addition problems, and add three-digit numbers.
+
Lesson Plan
Curated OER

M & M Addition

For Teachers K - 1st
Eat your math manipulatives, are you serious? Yup, Learners listen to the story The M & M's Addition book, add single digit numbers to reach sums up to six, and demonstrate addition and subtraction number combinations using several...
+
Worksheet
Curated OER

Look for Easy Numbers for E-Z Addition

For Students 2nd
In this mental math worksheet, 2nd graders focus on using multiples of ten to make addition problems easier to solve. They look for numbers that add to 10, 20, 30, or other multiples of 10. They write about how finding the multiples of...
+
Worksheet
Curated OER

Addition

For Students 1st - 2nd
Looking for addition drills for your scholars to practice adding one and two-digit numbers? You've found it! Mathematicians examine an example before finding the sum of 16 equations, each of which involves one 2-digit addend and one...
+
Worksheet
Curated OER

Odd Numbers, Standard Form, and Place Value

For Students 3rd - 4th
In this math worksheet, students answer multiple choice questions about odd numbers, standard form, place value, and more. Students complete 10 problems involving up to 5 digit numbers.
+
Lesson Plan
Curated OER

Comparing and Ordering Fractions, Mixed Numbers, and Decimals

For Teachers 4th - 5th
Students practice comparing and ordering fractions, mixed numbers, and decimals. In this fractions, mixed numbers, and decimals lesson, students examine a decimal place value chart compared to a whole number place value chart. They...
+
PPT
Curated OER

Multiplication Grids: Double-Digit

For Teachers 3rd - 4th
Kids learn how to use the grid method to solve double by single-digit multiplication problems. They take each double-digit number into its tens and units, place it on the grid, add the multiplier, then solve the problem. There are two...
+
Lesson Plan
Curated OER

Odometers and Place Value Chart

For Teachers 4th - 5th
Students explore the concept of place value with a hand-made odometer. In this math lesson, students construct a cardboard odometer with movable paper strips to show increases in mileage to the hundredths place. Students solve story...
+
Lesson Plan
Curated OER

Adding and Subtracting

For Teachers K - 1st
Students will add and subtract numbers less than 100 as well as understand and use the inverse relationship between addition and subtraction. They compose/decompose numbers up to 10 and understand a variety of situations in which...
+
Lesson Plan
Curated OER

Exercises: Counting by 10s

For Teachers 1st - 2nd Standards
You've found six problems sure to help your class understand adding tens and hundreds. First they fill in a chart by adding 10s, then they make 100 in different ways. They then use a hundred chart to complete three different patterns,...
+
Worksheet
Curated OER

What's Missing?

For Students K - 2nd
Add a challenge for your young mathematicians' adventures in double-digit addition. Instead of simply computing sums in the 9 problems, they work backwards to fill in blanks among the addends. Resource makes a terrific extension or...
+
Worksheet
Curated OER

Pumpkin Math

For Students 2nd - 3rd
In this thematic Halloween math worksheet, students will use pumpkin seeds to complete the fourteen questions. Using the seeds, the students will work on addition and subtraction word problems, place value, and decipher odd and even...
+
Lesson Plan
Curated OER

Study Buddies: Subtracting 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 subtract three-digit numbers. Students will follow a step-by-step process and notes are provided for the coach.
+
Lesson Plan
Curated OER

Mathematical Roadmaps

For Teachers 2nd
Second graders observe how a sample math problem is solved on the overhead. They work in small groups to develop a strategy for solving another problem using counters as well as a large sheet of paper to write down their explanation of...
+
Worksheet
Curated OER

Homophones Activities 1-5

For Students 3rd - 4th
For this language arts worksheet, students discover that homophones are words that sound alike. Students complete 5 activities with homophones: matching words to pictures, completing sentences, explaining differences between words and...
+
App
Pomegranate Apps

Foodle - Nutrition Facts

For Students 6th - 12th
USDA National Nutrient data is available at your fingertips! This application is a vast library of more than 8,000 nutritional labels for commonly eaten foods. Search and sort foods by a variety of categories.
+
Lesson Plan
Curated OER

Double-Digit Addition with Regrouping

For Teachers 1st
First graders recall place value system and double-digit addition, create and manipulate double-digit regrouping, and devise and identify ways to use regrouping.
+
Lesson Plan
Curated OER

Estimation and Computation

For Teachers 2nd
Second graders practice their estimation skills using blocks. In this math lesson, 2nd graders explain how estimating makes addition easier. They complete a worksheet after the lesson to reinforce new learning.
+
Worksheet
Curated OER

Adding Three Numbers

For Students 2nd
In this addition worksheet, 2nd graders solve 11 three double-digit number addition math problems by lining up the numbers by tens and ones.
+
Worksheet
Curated OER

Multiplication Patterns

For Students 3rd - 5th
In this multiplication patterns worksheet, students complete a set of 8 questions, using multiplication patterns, comparing digits to find patterns and using patterns to make predictions. Answers included on page 2.