Curated OER
Solving Problems
Second graders become familiar with need strategies for computation of money problems and estimating sums. In this computation instructional activity, 2nd graders solve real life problems to understand estimation and money problems.
Curated OER
Problem Solving Techniques
Students develop a pattern for problem solving. They gain confidence in their ability to solve problems and are introduced to mathematics help online.
Curated OER
How Much is a Name Worth?
Second graders listen to a read aloud of Yangsook Choi's, The Name Jar. First, they estimate how much their name is worth based on the teacher's example. They assign numeric values to the letters of the alphabet in order to compute the...
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
More Pizzas and Things
Students are introduced to the problem by playing a guessing game of "I am a number, which is half of 6 and 6, what am I?" They explain their answers and see if anyone else had an alternate solution checking for reasonableness.
Curated OER
Understanding Fractions
Fourth graders compare fractions by using skittles and m&ms. In this math instructional activity, 4th graders explore the size of different fractions by cutting pieces of their pie for visual representation. Additionally, students...
Curated OER
Jelly Belly: What a Wonderful "Bean"!
Students explore how jelly beans are produced. They discuss the origins of the jelly bean and view a video about how jelly beans are prepared, tested, shaped, finished, and shipped and estimate the amount of jelly beans in a jar and sort...
Curated OER
The Multiplier (larger 2-digit by 1-digit numbers)
Students utilize number sense applications to multiply two digit numbers. They use "The Multiplier" and Internet source to partition and solve 2 digit by 1 digit multiplications. Students describe how to solve 2-digit by 1-digit...
Curated OER
Getting The Point
Young scholars complete a unit of lessons on the relationships between decimals, whole numbers, and fractions. They use paper strips to solve fraction problems, view and solve examples, and use calculators to convert fractions into...
Curated OER
Clock Arithmetic and Cryptography
Students explore the concept of modular arithmetic and cryptography. In this modular arithmetic and cryptography activity, students use applets to explore modular arithmetic using a clock and Caesar Ciphers. Students exchange their...
Curated OER
Tortillas
Students convert recipes for tortillas. They calculate the amounts of ingredients as they convert recipes and write an explanation of the task to demonstrate their calculations. After reviewing their calculations, they demonstrate how...
Curated OER
Using Tens Frames for the Strategy of Bridging to Ten
Second graders are given a problem. They are shown a fixed frame of 9 and students are asked to say where the six more should go without touching the tens frame. Students are invited to answer the question and show go they got the answer.
Curated OER
Take Away Bar 2
Learners use an Internet tool, The Take-Away Bar" to solve subtraction problems. They use mental strategies to subtract a two-digit number from a larger two-digit number. Students write and solve subtraction problems. They describe...
Curated OER
Our Family and Age
Start by playing a song about numbers. "Sing, Dance, Laugh, and Eat Quiche" is suggested. Then, start counting things around the room. Introduce yourself, and have kids start to introduce themselves when they catch on to the vocabulary....
Discovery Education
Discovery Education: Everyday Math
Students will work as a class to solve word problems involving addition, subtraction, multiplication, and simple fractions. To culminate the lesson, students will create their own word problems.