Achieve
False Positives
The test may say you have cancer, but sometimes the test is wrong. The provided task asks learners to analyze cancer statistics for a fictitious town. Given the rate of false positives, they interpret the meaning of this value in the...
Yummy Math
Really Big Pumpkins
You may think your holiday pumpkins weigh a ton, but in a giant pumpkin contest, they actually do! Middle schoolers read about the winners of the 2014 giant pumpkin contests before solving three word problems involving multiplication and...
Virginia Department of Education
Arc Length and Area of a Sector
What do skateboarding and baked goods have in common with math? You can use them to connect half-pipe ramps and cakes to arcs and sectors. Pupils compare the lengths of three different ramp options of a skate park. They calculate the...
CK-12 Foundation
Decimal Multiplication: Reducing the Weight
Eight questions challenge mathematicians to multiply decimals. A color-coded tool with movable parts assist participants in answering word problems. Item response types include fill in the blank, multiple-choice, and a discussion. ...
Curated OER
Counting Practice up to Ten 2
In this early addition practice instructional activity, students use their counting skills to solve 5 problems that require them to count math counters in boxes adding them together.
Curated OER
Making 10 with animals
Count the animals in each group and add to make the number 10. This slide show provides learners with the opportunity to see how many different way they can count on to make 10. Cute animals and large exciting number make this a great...
Curated OER
Repeated Addition as Multiplication
While the first slide doesn't make much sense, the rest of the show is great. Kids are introduced to repeated addition as multiplication. They see images of equal groups of objects, each group is represented numerically by an addition...
Institute of Electrical and Electronics Engineers
Spring Scale Engineering
After examining how a spring scale works, teams work together to design their own general measurement device. Reading material provides background information, but there is no part of the procedure in which learners handle an actual...
Kenan Fellows
Isotopic Pennies
Many people confuse atomic mass and atomic numbers. The sixth of seven lessons in a unit requires scholars to find the weight of different groups of pennies. Then, they must solve how many of each type of penny exists in a closed system...
Curated OER
Polygon Division Models
Students use polygons to explore division. They use pattern blocks to represent whole numbers and fractions. They discuss divisors, factors, dividend and products. In groups, students present models and solve problems. They justify their...
Curated OER
Counting, Properties of Numbers, and Reasoning about Numbers
Five days of lessons develop number sense and counting patterns, including odd and even numbers, 5s and 10s, doubles, and ways to make 10. Each session opens with fun finger play to reinforce counting and reasoning about numbers. Various...
Curated OER
Dividing Fractions
Reciprocals are the method used for dividing fractions in this instructional session. A fraction is defined as being a division problem, and then the whole group works together to solve several problems. They check for the reasonableness...
Curated OER
Roman Bernardo: Solving Linear Equations
Mathematicians use an inquiry method to solve linear equations. In this linear equations lesson plan, young scholars practice solving equations using addition, subtraction, multiplication and division. They solve multi-step equations and...
Curated OER
Guess That Sequence!
Students explore number sense by completing problems in class. In this patterns lesson plan, students examine a group of numbers and identify what the pattern is and how it should correctly continue. Students practice utilizing number...
Curated OER
Numbers 1-20
Count along as a class! Each slide contains a number and objects to count, 1-20. The images are fun and as they reach 10+ are grouped by ones and tens. This resource could be used in a variety of ways, is well put together, and has fun...
Curated OER
Making 10
Brilliant! This presentation helps kids discover all the different way they can make 10. Each slide contains 10 balls, as the kids count, each ball blinks, and the number appears under them to show how many. A plus sign pops up and the...
Curated OER
Classifying Polygons
A straight edge, a right angle, a number of vertices; sounds like it's time to classify polygons. That's right you and your class will learn all about the properties of polygons and how to classify them with this easy to follow...
Curated OER
Fractions (2)
Review or introduce your younger learners to simple fractions. They work through fifteen different problems, where the shaded amount must be identified as a fraction. For each problem an answer is included on the following slide. Tip:...
Curated OER
Fractions
Fractions are scary for a lot of young mathematicians. This cute presentation tries to take the "scary" out of fractions. The basics are covered: the numerator, the denominator, and the fact that a fraction is a representation of a part...
Curated OER
Number Bonds to 10: Determine the missing addend
Each slide contains a group of animals and an equation that adds up to 10. However each equation is missing a number, learners attempt to determine the missing addend to revile the number of animals hiding under the cloud. A fun,...
Scholastic
Eric Carle Author Study
Learn all about Eric Carle, find out about his famous caterpillar, and try out related art, science, writing, math, and social studies activities. The resource comes with plenty of materials to support your instruction.
Math Worksheets 4 Kids
Percent into Decimal
Young business entrepreneurs will need to know how to calculate interest rates before making millions. Empower their knowledge with a worksheet on converting percents into decimals.
Mathwire
A Collection of Logic Number Puzzles on the Hundred Board
What's my number? Spark mathematical thinking and have some fun with thirty number puzzles that pose a series of questions to guide learners towards number discovery.
Achieve
Rabbit Food
Keep your pets slim, trim, and healthy using mathematics! Pupils use a linear programming model to optimize the amount and type of food to provide to a pet rabbit. They model constraints by graphing inequalities and use them to analyze a...
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