Curated OER
Jack and the Beanstalk Estimation
Students use estimation and pencil-paper calculations to help Jack and his mother solve a variety of life problems. They solve problems using various math operations, i.e., addition, subtraction, and measurement.
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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.
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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...
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Super Cents
Second graders study money amounts less than a dollar. For this math lesson, 2nd graders practice counting coins. Students read various stories and discuss how money was used in the stories.
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Adding a Single Digit
In this problem solving addition worksheet, students add three digit numbers to one digit using regrouping. Students solve for 25 problems that are written horizontally on the page.
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Add and Subtract Whole Hundreds
In this addition and subtraction activity, students add and subtract whole hundred numbers. Students complete 5 problems on this activity.
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I'll Have an Order of Subtraction Please!
Students explore number values by completing consumer math worksheets. In this math functions lesson, students identify the use of a decimal in numbers and the place values that are represented when dealing with money. Students complete...
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Hoping Backward to Solve Problems
Young scholars use number lines to compare differences. In this math lesson, students use a number line to solve problems. Young scholars predict differences and answer puzzles using subtraction.
Helping with Math
#10: Solving Equations (2 of 2)
For this prealgebra activity, pupils perform addition, subtraction, multiplication, or division operations to solve for an unknown. There are 12 problems to be solved. Use this as a quiz to assess how well your class is grasping the...
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Teaching Students Mathematical Reasoning Skills
Students can build upon their basic math skills and become higher order thinkers when we encourage the following principles.
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Measure: Perimeter, Area and Volume
Students practice measuring with formulas. In this measurement lesson, students complete an activity that requires them to calculate perimeter, area, and volume.
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Addition Relay
Third graders, in pairs, use a bag of counters which can be dried beans, squares of papers, etc.
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Estimation 4: Sum and Difference
In this estimation worksheet, students read story problems, determine the correct operation, and mentally evaluate the problem by using compatible numbers or through the process of rounding. Students complete three multiple choice problems.
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Circumference of a Pumpkin
Fourth graders watch a video and find the circumference of a pumpkin. In this circumference lesson, 4th graders watch a video to help them find the circumference of their pumpkins. Students define the word circumference on their data...
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Estimation 2: Sum and Difference
In this estimation worksheet, students mentally solve eight multiple choice problems involving addition and subtraction. They arrive at their answers through the process of using compatible numbers or rounding. Students read story...
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Estimation: Compatible Numbers
In this estimation worksheet, students read real word problems and mentally estimate answers. Individually, they complete eight multiple choice problems using compatible numbers or rounding to determine their answers. Students evaluate...
Think Like A Programmer! Puzzlets Cork the Volcano Curriculum
Common Core Standards Connected
The standards listed below are standards from the Common Core Framework which map to learning opportunities with Cork The Volcano & Puzzlets.
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National Security Agency
Ordering, Adding and Subtracting Integers
Prealgebrarians use colored chips, stickers, and pencils to explore the world of integers. They discover absolute value, compare positive and negative integers, and apply operations to them. A detailed procedure for the three-part...
Common Core, Inc.
Multi-Digit Whole Number Subtraction
A thorough exploration into subtracting multi-digit numbers, this series of lessons is an excellent way to guide learners of any skill level. With a step-by-step lesson plan and straightforward assessment tools, kids are sure to...
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Up We Go
First graders examine the use of number lines in problem solving situations in this series of lessons. They participate in activities in which they move forward and backward on number line on the playground before doing paper and pencil...
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Adding Decimals with Hundredths
In this adding decimals worksheet, students add numbers with decimals in the hundredths place. Students complete 4 sets of problems.
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Counting Money
Students read, write, and identify different coin combinations and use this information in real-world situations.
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Decimal Numbers
In this adding decimals worksheet, students add numbers with decimals after looking at examples and number lines. Students complete 6 problems.
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Handling Data: Comparing Distributions
Students gather information by analyzing graphs, diagrams and pie charts. In this graphs and diagrams lesson, students complete addition and subtraction problems. Students discuss a pie chart. Students use information to crate a stacked...