Curated OER
Addition Worksheet: Totals 19 or Less #1
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.
Curated OER
Addition Worksheet: Totals 10 or Less #2
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.
Curated OER
Addition: Sums to 18
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.
Curated OER
Subtraction Worksheet : Numbers to 19 (1 of 3)
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.
Curated OER
Subtraction - Numbers to 19 ( 3 of 3)
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.
Pennsylvania Department of Education
Comparing Sets
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.
Curated OER
2 digit subtraction
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...
Curated OER
The Number Toolbox-Vocabulary Test
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.
Curated OER
Place Value
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...
Curated OER
Numbers and Operations- 24
Students construct number sentences. In this computation activity, students participate in a game using four numbers to make the number 24.
Curated OER
Fractions of Fractions
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...
Curated OER
Add & Subtract Fractions w/Unlike Denominators, 2
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.
Curated OER
The Number Partner
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.
Curated OER
Transportation Through Time
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.
Curated OER
Telling Time to 5 Minutes
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.
Curated OER
Subtraction Shopping
Students subtract two digit numbers. They check each other's answers for accuracy.
Curated OER
Frogs in Ponds
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...
Curated OER
Doing The School Run
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...
Curated OER
Puzzling Perimeters
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...
Curated OER
Combining and Breaking Apart Numbers
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.
Curated OER
A Recipe For Success
Sixth graders explore a relevant application of ratios and proportions. They apply this concept through guided practice and interactive feedback.
Curated OER
Circumference of a Pumpkin
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...
Curated OER
Investigating Transformations Of Parent Functions
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.