Curated OER
The Part-adder 1
Second graders investigate the addition of whole numbers. They mentally perform calculations involving addition and subtraction. They make sensible estimates and check the reasonableness of answers.
Curated OER
The Ants Go Marching
Integrate art, math, life science, music, and fun in this beginning addition and subtraction activity. Children kinesthetically represent adding and subtracting numbers to 10; they stand up one at a time as you count forward and sit down...
Houghton Mifflin Harcourt
Unit 2 Math Vocabulary Cards (Grade 3)
A set of third grade math vocabulary cards include topics that range from addition properties to terms like estimate and fact family. Each sheet has two cards on it. The top half is the word printed in bold text, while the bottom is the...
Concord Consortium
Last Digit Arithmetic
Mathematics involves a study of patterns. The exploratory lesson has learners consider the addition pattern in different sets of numbers. Each set has a different pattern that pupils describe mathematically. The patterns involve both...
Curated OER
Conditional Probability and Probability of Simultaneous Events
Your statisticians examine the characteristics of conditional probability and the probability of simultaneous independent events. They perform computer activities to find probabilities for simple compound events. They examine the...
Curated OER
Math Cross, Puzzle #26
Here is a measurement, money and time activity which invites learners to solve twenty-eight math problems utilizing addition, subtraction and multiplication strategies to complete a math crossword puzzle.
Curated OER
Math Reference Sheet
Your young learners will enjoy having quick access to this reference sheet that includes a multiplication chart, formulas for perimeter, area, and volume, place value chart, fraction chart, basic types of polygons, triangles and lines...
Curated OER
Calculate the Answer
Students solve basic multiplication or addition facts using a calculator and product cards. They draw a card, read the sum or product, and press single digits on the calculator to display the number on the card.
Curated OER
Subtraction
In this subtraction learning exercise, students find the differences for the double digit problems. Students solve 31 subtraction problems.
Curated OER
Musical Addition
Students place objects on their storyboards to show the equations that they are given. They draw and color objects to show the equations. Students listen to and sing addition songs.
Curated OER
Finding Sums to 6
Students explore the additive identity property where they add multiple numbers to get to the number 6. In this number 6 lesson plan, students also work on their addition charts.
Curated OER
Number Crunching
Students are shown 3-5 different types of crunches as well as the correct Fitnessgram curl-ups. They do sets of different types of crunches and count the total number by using multiplication skills. Studnets do multiple sets and count...
Curated OER
Food Chains and Endangered Animals
Students investigate how all links in the food chain are related. In this animal habitat lesson, students hypothesize about what would happen in the food chain if an endangered species were to become extinct. This lesson also includes an...
Curated OER
Calculators
Students investigate the four basic operations of mathematics that are addition, subtraction, multiplication, and division. The use of a technology game is part of the lesson. They demonstrate the proper use of a calculator as part of...
Curated OER
Early Mental Math: Practice
Pupils start from a given number and count forward by 1s, 2s, and 10s. They "make ten" in 4 addition problems, and add or subtract 2 in the rest. Finally, they circle the odd numbers in a list from 1-14.
Curated OER
Justifying Answers
Young scholars study story problems and learn how to find and justify their answers. They will use a story problem and then respond to the prompt questions from the teacher. They must add and subtract facts to 6 and learn how to justify...
Curated OER
All Operations Word Problems One Version 2
In this word problems worksheet, students read the word problems and solve using mixed operations. Students solve 5 problems.
Curated OER
All Operations Word Problems Two Version 1
In this word problems worksheet, learners read the word problems and solve using mixed operations. Students solve 5 problems.
Curated OER
All Operations Word Problems Two Version 2
In this word problems learning exercise, students read the word problems and solve using mixed operations. Students solve 5 problems.
Curated OER
All Operations Word Problems Two Version 4
In this word problems worksheet, students read the word problems and solve using mixed operations. Students solve 5 problems.
Curated OER
Math Lesson Study Plan
Second graders find missing addends by solving math word problems. In this missing addend lesson, 2nd graders work in a whole group setting to find the missing addends in word problems before using the strategies to work independently....
Curated OER
Smart Doubling
Second graders use mental math in calculations involving addition and subtraction. They study doubles facts to work out addition problems mentally using part and or whole reasoning.
Curated OER
Math Stories 1
Second graders use technology to draw shapes or select pictues to represent an addition or subtraction equation. They also write the equation, and a story that matches the equations.
Curated OER
Something's Hiding!
Second graders practice finding out how many tens and ones blocks are hidden from a given total. They mentally perform calculations involving addition and subtraction to explain the meaning of the digits in two to three digit whole numbers.