Curated OER
Two-Digit Subtraction With and Without Regrouping
Second graders subtract two-digit numbers. In this mathematics lesson, 2nd graders subtract both with and without regrouping. Students use manipulatives and place value mats to assist in problem solving.
Willow Tree
Equations of a Line
Each form of a linear equation has its purpose — pupils just have to find it. Building on the previous instructional activity in the series, learners examine point-slope and standard form. Using point-slope form, pupils write the...
Curated OER
Build Your Dream Science Lab
Would your ideal science lab be filled with bubbling beakers and zapping Tesla coils? Or would it contain state-of-the-art computer technology and data analysis? Dream big with an innovative lesson that connects math and language arts...
EngageNY
Efficacy of Scientific Notation
How many times could California fit into the entire United States? Pupils use scientific notation to find the answer to that question in the 12th installment of 15 lessons. It asks scholars to write numbers in scientific notation and...
Illustrative Mathematics
Sharing Markers
Let your first graders translate these word problems into subtraction sentences. Some of the equations involve finding the answer after Char gives some of her markers away, while others require finding the amount of markers Char started...
Common Core Sheets
Finding Percents
What is 75% of 200? The answer is 150. These are the types of questions students are prompted to solve, in a worksheet that reinforces finding percents of a number.
EngageNY
Multiplying and Dividing Expressions with Radicals
That's radical! Simplifying radicals may not be exciting, but it is an important skill. A math lesson provides explanations of properties used throughout the material. Scholars practice skills needed to multiply and divide radical...
CK-12 Foundation
Pythagorean Theorem to Determine Distance: Ladders
Young mathematicians to the rescue! Pupils use an interactive to find lengths relating a ladder against a building. The problems involve determining how long a ladder must be to reach a given floor to what floor can a given ladder reach.
CK-12 Foundation
Equivalent Fractions: Number Line
Arrange improper fractions on a number line to determine the equivalency to whole numbers. The number line starts at -4 and ends at 4, while users must turn the improper fraction into a proper fraction in order to place it on the number...
PBL Pathways
What Should Have Happened on Gilligan's Island?
"Just sit right back and you'll hear a tale ..." Gilligan's Island is a classic that spans generations and offers a problem-solving opportunity for scholars. Take a project-based learning approach to examine the population of the island....
101 Questions
CoinStar
Would you rather have a bowl of dimes or a bowl of quarters? A video introduces the problem by presenting two bowls, one full of quarters and another full of dimes. Learners use information from a CoinStar receipt to calculate the number...
CK-12 Foundation
Percent of a Number: Acid Solution
Mathematicians answer five questions about percents, ratios, and proportions with help from an interactive graduated cylinder. Question types include multiple-choice, fill-in-the-blank, and discussion.
Yummy Math
Parametric Equations and a Heart
Trigonometry, art, and Valentine's Day come together in a creative activity about parametric equations. Learners calculate several equations before graphing them either by hand, on a graphic calculator, or Excel spreadsheet to curve...
Illustrative Mathematics
Valid Equalities?
True or false: 20 = 10 + 10. The statement is true because two 10s make a 20. These are the types of equations learners must label or false. They must also explain in mathematical terms how they know.
Curated OER
Decimal Word Problems
For this problem solving worksheet, students use their knowledge of decimals, estimation, multiplication, and division to solve story problems. Students solve eight problems.
Curated OER
Math Word Problems
In this problem solving worksheet, students solve six multiple choice word problems that involve finding probability and identifying monetary amounts.
Curated OER
Math Cross--Puzzle #30
For this money, rounding, time and measurement worksheet, students problem solve twenty-eight math problems or word problems involving addition, subtraction, multiplication and division.
Curated OER
Subtraction Math Problems
In this multiplication worksheet, 3rd graders problem solve 12 subtraction math problems by figuring out the missing number in each one that completes each problem.
Curated OER
Math Word Problems
In this math word problems worksheet, students read and problem solve by subtracting. In this fill in the blank worksheet, students solve three problems.
Curated OER
Sunshine Math- 2 Earth, XIX
In this problem solving learning exercise, learners complete 7problems that include skills in fractions, calculators, money, measurement, calendars and basic operations.
Curated OER
Sunshine Math-2
In this problem solving activity, learners complete 8 varied word problems. Included are money, addition and subtraction, counting and fractions.
Curated OER
Sunshine Math-3
In this math applications worksheet, students solve 8 varied problems including consumer math, fractions, ordered pairs, measurement and mental math.
Curated OER
Sunshine Math- 2
In this problem solving worksheet, students complete 7 story problems that include a number chain, fractions, missing numbers, math patterns and calendars.
Curated OER
More Addition in Your Head
In this mental math addition worksheet, students determine sums. In this problem solving worksheet, students write answers to twenty problems.