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Curated OER
Identify Patterns
To complete these number patterns mathematicians must determine by what number each is constantly increasing. However, this isn't your typical skip counting; scholars count by numbers like 18, 60, and even 101 to fill in the missing...
Curated OER
Estimating Sums of Money
By rounding, scholars find that adding money amounts becomes a breeze! They round two and three-digit numbers (with decimals) in these addition problems to get approximate sums. For each, mathematicians write the new addition equation...
Curated OER
Marshmallow Fun Day - math
Early learners rotate to different classroom centers and participate in six activities based on using marshmallows to review concepts learned. They make: marshmallow sculptures (geometric shapes), the shape of mittens using colored...
West Contra Costa Unified School District
Adding by finding 10's
Count with ten frames in a first grade addition lesson. Kids determine how to identify numbers on a number line, as well as with ten frames, and complete ten frames to show their answers in several addition problems.
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Adding Fractions
All of these fraction pairs have common denominators, so adding them up is a bit simpler. There are two examples demonstrating both a mixed number and reducing to simplest terms. Scholars add up 28 fraction pairs, simplifying when...
DiscoverE
Zip Line Challenge
Harness the awesome power of gravity. Scholars build a zip line to transport a ping-pong ball. The challenge is to get to the finish line in under four seconds. At that speed, individuals better be sure to strap on the harness!
Helping with Math
Addition - Four 4-digit Numbers
Stack up those digits and get your fourth graders adding! This printable handout displays 20 addition problems in which pupils find the sum of four four-digit numbers. With a click of the box in the upper left corner of the web page,...
Curated OER
Intro to Mayan Numbers
Students investigate Mayan Numbers. In this algebra lesson plan, students compare our number system to the number system of the Mayans. They identify base 10 and base 20 numbers including zero in the Mayan symbols. They solve a Mayan...
Curated OER
Time from Analog and Digital Clocks
All these clocks look the same. Here are 10 clocks, both analog and digital, for scholars to add times to. The times are listed at the right of each clock and all end in five or zero. This is not a practice with a.m. and p.m., however it...
Curated OER
Add and Subtract to 20 Missing Values (1)
In this missing values worksheet, learners add and subtract the given equations for the numbers that range up to twenty. Students write the missing numbers in the blank.
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Fun Math 32
In this finding the sums instructional activity, students add two-digit and three-digit numbers with regrouping on a page with a fun clip art next to each problem. Students solve 15 problems.
Curated OER
Decimal Fractions with a Calculator
In this decimals learning exercise, students write what they had to do to change decimal numbers to other decimal numbers. Students complete 28 problems where they write if they added, subtracted, multiplied, or divided.
Curated OER
Addition and Subtraction Facts To 20
First graders use manipulatives, flash cards, number sentences and story problems to practice their addition and subtraction facts to twenty.
Curated OER
Subtracting Greater Numbers
For this subtracting greater numbers worksheet, young scholars, with a partner, problem solve and calculate the answers to six addition equations.
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Subtraction Numbers to 9
In this math worksheet, students find the answers to the 30 subtraction problems. The solutions can be checked by using addition.
Curated OER
Addition and Subtraction Up to Two-Digits
In this finding the sums and differences worksheet, students write the equations in the ones and tens columns and solve and also solve vertical problems with and without regrouping. Students solve 18 problems.
Curated OER
Arithmetic: Fractions
Mathematics aces, after a warm-up activity with some easy calculations, practice solving rules of signs and powers of 10 equations. Multiplying and dividing decimals is also covered within this lesson in depth. A variety of examples and...
Illustrative Mathematics
Puzzle Times
Give your mathematicians this set of data and have them create a dot plot, then find mean and median. They are asked to question the values of the mean and median and decide why they are not equal. Have learners write their answers or...
101 Questions
Wedding Cake Ribbon
Customers often want ribbon around fancy cakes, but how does a baker know how much ribbon to buy? Scholars view a cake with multiple layers in different geometric shapes. They must figure the perimeter and circumference and add them...
Curated OER
Numbered Doors
In this numbered doors worksheet, students solve a problem where they find the least expensive way to put metal numbers on doors that all have a certain value. Students complete 1 problem.
Curated OER
More Addition
Turn your mathematicians into addition superstars with these multiple-addend equations. They add up three, four, and five-digit numbers to find the sums, a few of which are six-digit numbers. The twelve vertically aligned equations...
Curated OER
Chisanbop (Korean Counting to 99)
Students practice their counting skills. For this counting lesson, students discover the Chisanbop method of counting which allows them to quickly count to 99 using their hands.
Curated OER
The Math Lesson 1
In this addition practice learning exercise, students use their problem solving skills to solve 200 problems that require them to add single digit numbers.
Curated OER
Probability: 3
In this probability worksheet, students complete probability word problems involving one digit numbers. Students complete 6 problems total.