Worksheet
Curated OER

Addition Worksheet: Totals 19 or Less #1

For Students 2nd - 3rd Standards
In this addition worksheet, students complete a total of 35 problems, all answers to problems total 19 or less. Worksheet included links to answers and additional worksheets.
Worksheet
Curated OER

Addition Worksheet: Totals 10 or Less #2

For Students 2nd - 3rd Standards
For this addition worksheet, students complete a total of 35 problems, all answers to problems total 19 or less. Worksheet included links to answers and additional worksheets.
Worksheet
Curated OER

Addition: Sums to 18

For Students 1st - 2nd Standards
In this addition instructional activity, students complete a total of 30 problems, all answers to problems total 18 or less. Worksheet included links to answers and additional worksheets.
Worksheet
Curated OER

Subtraction Worksheet : Numbers to 19 (1 of 3)

For Students 1st - 2nd Standards
In this subtraction worksheet, learners find the differences to 53 horizontal and vertical subtraction problems. They work with numbers up to 19 and do not regroup while working.
Worksheet
Curated OER

Subtraction - Numbers to 19 ( 3 of 3)

For Students 1st - 2nd Standards
In this subtraction worksheet, students find the differences in 30 vertical problems which use numbers up to nineteen. They do not regroup as they solve the problems in which they subtract a single digit number from a two digit number.
Lesson Plan
Pennsylvania Department of Education

Comparing Sets

For Teachers Pre-K - 2nd
Pupils 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.
Lesson Plan
Curated OER

2 digit subtraction

For Teachers 2nd
Second graders subtract numbers 0 through 10 from 2 digit numbers using different subtraction methods. In this subtraction lesson plan, 2nd graders practice crossing out numbers in a number line, using a 10, and using their fingers to...
Worksheet
Curated OER

The Number Toolbox-Vocabulary Test

For Students 5th - 7th
In this numbers vocabulary activity, students complete a 10 question test, matching "number" vocabulary terms with their correct definition. Answers are provided on page 2.
Lesson Plan
Curated OER

Place Value

For Teachers 1st
First graders practice place value by completing problems that allow them to group 10 items together to create groups of 10 and see what is left over. In this place value lesson plan, 1st graders use cups to put 10 items in them, and...
Lesson Plan
Curated OER

Numbers and Operations- 24

For Teachers 4th - 6th
Students construct number sentences. In this computation activity, students participate in a game using four numbers to make the number 24.
Lesson Plan
Curated OER

Fractions of Fractions

For Teachers 4th
Fourth graders use an online tool entitled the "Fraction of Fractions" tool to examine how to find a fraction of a fraction. They apply the array tool to problem solving situations. They complete paper folding activities in which they...
Lesson Plan
Curated OER

Add & Subtract Fractions w/Unlike Denominators, 2

For Teachers 7th - 9th
Students use several examples to create a method for adding and subtracting fractions with unlike denominators. They present these methods to the class and then practice applying methods to sample problems.
Lesson Plan
Curated OER

The Number Partner

For Teachers 1st
First graders study number pairs and identify number pairs that sum to numbers from 10 to 30. They use number pairs to solve addition and subtraction problems. They make sensible estimates and check the reasonableness of answers.
Lesson Plan
Curated OER

Transportation Through Time

For Teachers 3rd
Third graders measure the speed at which they can walk in order to understand speed and distance traveled. They then research the history of transportation and express data in a class timeline.
Lesson Plan
Curated OER

Telling Time to 5 Minutes

For Teachers 1st - 3rd
Students take part in various activities ranging from creating a human clock, to small group problem solving to reinforce the concept of telling time accurately to five minutes on an analog clock.
Lesson Plan
Curated OER

Subtraction Shopping

For Teachers 3rd - 5th
Students subtract two digit numbers. They check each other's answers for accuracy.
Lesson Plan
Curated OER

Frogs in Ponds

For Teachers 1st
First graders determine how numbers are made up of other smaller numbers before examining addition and subtraction. They determine the number pairs that make up a given number and determine when no other pairs can be found. They use frog...
Lesson Plan
Curated OER

Doing The School Run

For Teachers 5th - 8th
Students explore finding the percent of a numbers. They survey their peers to determine modes of transportation used in getting to school. Afterward, students organize information and create graphs and charts. They explore alternative...
Lesson Plan
Curated OER

Puzzling Perimeters

For Teachers 3rd
Third graders use estimation, fractions and decimals to determine the perimeter of objects in the classroom. They are given a worksheet with a list of the items on it. The worksheet has columns beside each of the items for estimation and...
Lesson Plan
Curated OER

Combining and Breaking Apart Numbers

For Teachers 1st
First graders read Imogene's Antlers by David Small the create pipe cleaner antlers. Using these as a tool students combine and create number sentences. They continue to work through the framework of a software program.
Lesson Plan
Curated OER

A Recipe For Success

For Teachers 6th
Sixth graders explore a relevant application of ratios and proportions. They apply this concept through guided practice and interactive feedback.
Lesson Plan
Curated OER

Circumference of a Pumpkin

For Teachers 4th
Fourth graders watch a video and find the circumference of a pumpkin. In this circumference instructional activity, 4th graders watch a video to help them find the circumference of their pumpkins. Students define the word circumference...
Lesson Plan
Curated OER

Investigating Transformations Of Parent Functions

For Teachers 8th - 9th
Pupils identify the basic transformations of parent functions. They use their graphing calculator to create a transformation booklet by folding a sheet of computer paper in half and stapling along the folded edge.
Lesson Plan
Curated OER

Finding the Acceleration Due to Gravity

For Teachers 6th - 12th
Students calculate acceleration due to gravity.

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