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Curated OER
Number Operations
Inject fun into your math review! Pupils review basic math operations with decimals as well as addition and subtraction with simple fractions. In this number operations instructional activity, learners work in groups to create a game for...
Noyce Foundation
Boxes
Teach your class to think outside the box. Scholars use the concept of equality to solve a problem in the assessment task. They determine how to use a scale to identify the one box out of a set of nine boxes that is heavier than the others.
Curated OER
More and Less Handfuls
Working as a pair, two kindergartners will sit at a table and will pick two handfuls of counters. They will combine their individual handfuls into one, and count their own selection. They will then draw and record their count on a record...
Pennsylvania Department of Education
Volume and Surface Area
Build boxes using unit cubes to compare surface area and volume. The group performs multiple experiments to determine properties of volume, such as if it makes a difference which order the dimensions are multiplied in. Extensive...
Curated OER
Problem Solving Model
Use a vocabulary chart to introduce math functions. The class defines a list of mathematical vocabulary terms on a worksheet, as well as completes equations and expressions. They examine word problems and practice transcribing them into...
Willow Tree
Order of Operations
It's the classic please excuse my dear aunt sally strategy to remembering the order of operations. Young mathematicians practice to develop an understanding of the order of operations. Examples and practice problems include...
Curated OER
Popping Problems!
Turn your math lesson into a carnival game with this fun, outdoor activity. After reviewing the concept your class will be practicing briefly, split your class up into teams and head outdoors. These teams work to solve math questions and...
Curated OER
PowerPoint: Long Division with 2-Digit Divisor
This long division PowerPoint presents a pneumonic device in which the first initial of generic family members names corresponds with the first initial of the proper steps to follow when solving a long division problem with a two-digit...
Houghton Mifflin Harcourt
Answering Sheet 1-50
Much like a Scantron form, use this printable for your next multiple choice assessment. The form is designed for a 50-question assessment, with each question having four possible answer choices: A-D or F-J.
American Library Association
Even and Odd Numbers: Lesson Plans and Sample Problems
If your youngsters are new to numbers, here are several interactive strategies to get them thinking about even and odd numbers. For example, they can count the number of desks, people, etc. in the room and determine if it is even or odd....
Education Development Center
Choosing Samples
What makes a good sample? Your classes collaborate to answer this question through a task involving areas of rectangles. Given a set of 100 rectangles, they sample a set of five rectangles to estimate the average area of the figures. The...
College Board
Beginning the Year with Local Linearity
Local linearity isn't the first thing that comes to mind to start off an AP® Calculus course. A scholarly article discusses one possible beginning to the AP® Calculus course: investigating and introducing derivatives through activities...
Radford University
Ping Pong Packing
Bounce off some ideas to reduce the amount of wasted space. Teams work together to determine the best size and shape of container to package a large order of ping pong balls. Groups are to design the container to reduce the amount of...
National Security Agency
Introducing Integers and Their Operations
There's nothing negative about this mini-unit on integers! Engaging young mathematicians in a series of hands-on activities and collaborative learning opportunities, this resource offers an excellent way to introduce your class...
National Park Service
Nutcracker Fantasy
The Clark's nutcracker bird hides seeds in 25,000 different sites every year to save for winter. Lesson demonstrates how difficult it would be to find these seeds months later when they need them for food. In the first of five lesson,...
Curated OER
Book Title: Ten Flashing Fireflies
This activity engages learners in a variety of activities to build 1 to 1 correspondence, estimation, and problem solving skills. They discuss problem solving strategies, hear the story Ten Flashing Fireflies, compose their own word...
Curated OER
Solve Story Problems: Sold! A Mathematics Adventure
Young mathematicians listen to the book Sold!: A Mathematics Adventure by Nathan Zimelman where they encounter ways to solve story problems. They then create and solve start unknown addition and subtraction equations. Resource builds in...
Curated OER
Addition and Subtraction
Students develop their own strategies to solve basic addition and subtraction facts. In this addition and subtraction lesson plan, students use strategies they already know and new ones to solve problems.
Curated OER
Checking Subtraction with Addition and Writing Number Sentences
In this math worksheet, students complete 12 subtraction problems which they check with addition. They solve 6 short mixed word problems and write a number sentence for each while solving it.
Helping with Math
Subtraction : 3-digit - 3-digit
In this subtraction worksheet, math wizards subtract three-digit numbers from different three-digit numbers. Some of the 24 problems require regrouping.
Helping with Math
#5: Addition & Subtraction Equations (1 of 2)
Single-step addition or subtraction operations are applied in order to solve these 12 simple equations. An answer key is available, not so much for you, but perhaps to be used by learners as a self-correction tool. Note that the...
Helping with Math
#6: Addition and Subtraction Equations (2 of 2)
This printable contains 12 basic equations to be solved. The first one is worked out as an example, and the answers for all can be found by clicking on a "Show Answers" box found on the website. The publisher has identified this as...
Curated OER
Subtraction: Two Digit By One Digit With Regrouping
In this subtraction learning exercise, 3rd graders find the differences to 30 problems in which they subtract a one digit number from a two digit number. They regroup as needed.
Curated OER
Subtraction - Numbers to 19 ( 3 of 3)
In this subtraction worksheet, students find the differences in 30 vertical problems which use numbers up to nineteen. They do not regroup as they solve the problems in which they subtract a single digit number from a two digit number.