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Worksheet
Curated OER

Adding two numbers

For Students Pre-K - K
In this addition worksheet, students complete 4 problems where they have to add two single digit numbers less than 10 together to find the sum. 
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Worksheet
Curated OER

Differences Are Keys For Coloring

For Students K - 2nd
In this math worksheet, students solve subtraction problems and match the differences to color words to complete a picture. Students solve twenty problems to color the picture.
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Worksheet
Curated OER

Sums of 3, 4, and 5

For Students K - 1st
In this basic mathematics instructional activity, students add each of the colored buttons to get their answer. They use addition to solve each of the 16 problems on the sheet.
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Worksheet
Curated OER

Simple Addition

For Students K - 1st
In this easy addition worksheet, students complete a set of 4 problems with corresponding picture problems. Teacher notes and a website reference are included.
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Worksheet
Curated OER

Teddy Bear Addition

For Students K
In this addition worksheet, students count the number of teddy bears that are shown as an addition problem. They choose the answer from a list of numbers 1 through 10.
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Worksheet
Curated OER

Making Ten

For Students K - 3rd
In this making ten worksheet, students generate multiples of ten from five number cards. In this problem solving worksheet, students find multiple answers for one question.
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Lesson Plan
Curated OER

Splash!

For Teachers K - 1st
Young scholars listen to the book, Splash in the Ocean. Then they use fish counters, fish stickers, numbers and symbols to solve addition story problems.
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Worksheet
Curated OER

Count and Add

For Students Pre-K - K
In this counting objects and adding worksheet, students count the number of objects in each set and add the total. Students solve six problems. 
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Lesson Plan
Pennsylvania Department of Education

Comparing Sets

For Teachers Pre-K - 2nd
Students count back with cubes to model subtraction problems. In this subtraction lesson plan, students compare sets of problems and record their results in a table.
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Lesson Plan
Curated OER

Using Tens Frames To Build Basic Facts of Five

For Teachers K - 2nd
Students are introduced to the basic addition facts of five. Through modeling and instruction and the use of ten frames, they discover the various ways numbers can be added together to equal five. (4+1, 2+3, etc.) They repeat with facts...
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Worksheet
Curated OER

Counting Rabbits

For Students Pre-K - 2nd Standards
You've heard of counting sheep, but what about counting rabbits? This is a fun way to approach data analysis with young mathematicians. Examining a chart, they see how many times James and his family saw rabbits in their yard over a...
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Lesson Plan
Curated OER

Counting on Art

For Teachers K - 2nd
Explore the life and painting style of African-American artist Horace Pippin by looking carefully at its parts, then create a "secret number" painting for a classroom counting book.
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Worksheet
Curated OER

Adding Single Digits

For Students K - 1st
In this easy addition activity, students complete 4 problems adding 2 single-digit numbers. A website reference for additional resources is given.
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Worksheet
Curated OER

Adding: Single Digit

For Students K - 1st
In this addition learning exercise, students find the sums and match them to the problem. In this matching learning exercise, students answer four problems.
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Lesson Plan
Curated OER

Understanding 10: Backwards and Forwards

For Teachers Pre-K - 2nd
Help your young mathematicians completely master 10 by practicing one-to-one correspondence, number recognition, and recording numbers displayed. They make 10 with groups of two-different colored cubes and color in 10-frames to show how...
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Lesson Plan
Curated OER

Five Little Frogs

For Teachers K - 3rd
Students use music to study concepts in math. In this music math activity, students sing songs, read books, and learn counting skills in frog themed activities.
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Lesson Plan
Curated OER

Creative Cats

For Teachers K
Students solve joining problems by using cat counters, pictures, and numbers. First, students listen to the story "Pretend You're a Cat" by Jean Marzollo.
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Lesson Plan
Curated OER

More or Less Pigs in the Pen

For Teachers K
Students practice simple addition and subtraction. They identify relationships among whole numbers.
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Lesson Plan
Curated OER

Melt in Your Mouth Subtraction

For Teachers K
Students engage in a lesson which involves role-play and the use of manipulatives to solve subtraction problems. After a lecture/demo, students utilize a worksheet imbedded in this plan to gain subtraction practice. They get to eat the...
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Lesson Plan
Curated OER

Pizza Party

For Teachers K - 2nd
Students explore the concept of fractions through use of hands on activity. In this instructional activity about fractions, students will work together in small groups with a round piece of paper, or pizza, and cut the pizza into pieces....
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Lesson Plan
Curated OER

The Nature of Mathematics

For Teachers K - 2nd
Students work in groups to describe plants using numbers. In this number lesson, students use numbers to define plants and then use numbers to write descriptions of themselves.
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Lesson Plan
Curated OER

Principles Of Flight: Wings That Spin

For Teachers K - 1st
Students discover how flight is possible.  In this physics lesson, students investigate the properties of a blimp and gyro-copter, comparing rotating wings and fixed wings of aircraft.  Students create their own model aircraft and...
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Lesson Plan
Curated OER

Monkey Subtraction

For Teachers K
Students listen to the book Five Little Monkeys Sitting In a Tree, identify written numbers 0-9 and the symbol for subtraction; students subtract two single digit numbers using manipulatives, and recite the corresponding number sentence.