Curated OER
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.
Curated OER
Vocabulary: Addition Terminology
In this addition terminology worksheet, students complete many activities where they define and match addition terminology. Students complete 11 pages of activities.
Curated OER
Computer Passwords
Students determine an appropriate numerical representation of a problem situation, including roots and powers. They determine an appropriate number of digits to represent an outcome. Pupils are asked to determine how many years it...
Curated OER
Calculator Spelling
Sixth graders practice creating and solving number sentences on a calculator. They interact with number facts, their properties, algorithms and estimation. Each student recognizes inverse relationships of addition, subtraction,...
PBS
Working with Common Denominators: Assessments
Now that the practice is over, see if young mathematicians can utilize their new skills on finding common denominators and adding fractions. The assessment contains one map challenge and follows with skills practice.
PBS
Working with Common Denominators: Activities and Supplemental Materials
Enjoy these straightforward and simple learning exercise pages that practice with different denominators. The practice starts simple with adding fractions together and then works on a recipe that needs to be tripled.
Curated OER
Estimating Products
Multiplication on the fly becomes easy with the magic of estimating! Scholars round numbers up to four digits to complete multiplication problems without a calculator. They write in the new factors and the approximate product for the...
Curated OER
Operations with Positive Fractions and Decimals
Explore the concept of fractions and decimals! In this fractions and decimals lesson, pupils use fraction tiles to express fractions. They play a fraction review basketball game where when a team gets a question correct they get to shoot...
Bowland
Explorers – Patrol Services
Far out — plan a trip to space! Aspiring mathematicians steer a space vehicle through an asteroid field, calculate currency exchanges to buy provisions, and determine placement of charges to blow up asteroids. Along the way, they learn...
Alberta Learning
Area and Perimeter of Irregular Shapes
Evaluate young mathematicians' understanding of area and perimeter with this series of three assessment tasks. Challenging students to not only calculate the area and perimeter of irregular shapes, but to explain in writing their...
Curated OER
Matrix Madness!!
Perform operations to add, subtract, multiply and divide matrices. Then solve problems with vectors using matrices. A three day lesson: Matrix Madness, Mystical Matrices, and Decode the Encode. The last lesson has prizes that the class...
California Education Partners
John's Trip Disneyland
It all adds up to one. Pupils solve several items that involve finding sums of fractions in relationship to a whole. The assessment task uses fractions with unlike denominators to determine the amount of a tank of gas and the amount of...
Curated OER
Adding and Subtracting Decimals
The addition and subtraction of decimals is a relatively simple process. The most important thing to remember is to have all of the decimal points lined up. This presentation gives that strategy, plus some others to use when performing...
Curated OER
Measure
Learners are asked what activities or things that they do each day. They are then asked do you do that in the morning, afternoon, or night? Students are then asked which of those things do you do first, second, third, and etc.
Curated OER
Units Of Measure
Students investigate concepts relating the use of the metric system of measurement. They practice the skill of estimating units and especially which ones to use in certain problems for the most reasonable answer. The lesson includes...
Curated OER
Telling Time to 5 Minutes
In this second grade lesson your class will practice telling time. The goal is to tell time to five minutes using an analog clock. Your young students count by 5 minute intervals and discuss elapsed time.
Curated OER
Can You Guess
Pupils develop useful strategies for mental calculation when estimating possible addition solutions. They mentally perform calculations involving addition and subtraction. Students state the estimated sum or difference between numbers.
Curated OER
Menu Mania
Students explore the concept of estimating by watching a video, and discussing the strategies for estimation. They estimate the costs for various menu items, then calculate the exact amount spent.
Curated OER
Estimating Fish Populations
Students describe the mark/recapture method used to estimate fish populations. They explain the importance of being able to predict population numbers.
Curated OER
Decimals: Collaborative Lesson
Students explore mathematics by participating in a group activity. In this number value lesson plan, students identify the uses for decimals and how to best estimate whole numbers based on decimals and fractions. Students collaborate...
Curated OER
The Difference Bar 2
Students use Internet software, The Difference Bar, to work out the difference between two numbers by breaking numbers into parts. Students use mental strategies to work out the difference between any 2 two-digit numbers. Students...
Curated OER
Take Away Bar 2
Students 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
Estimation 4: Sum and Difference
In this estimation worksheet, young scholars 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...
Curated OER
The Take-Awar Bar 1
Students use an Internet tool, "The Take-Away Bar" to solve subtraction problems by breaking them into parts. They write and solve comparison problems. Students make sensible estimates and check the reasonableness of answers. They use...