Curated OER
Basic Subtracting
First graders solve math problems. For this subtraction lesson, 1st graders use Smarties to compare addition and subtraction. Students complete math problems where they solve basic subtraction questions.
Curated OER
Adding and Subtracting Integers
Sixth graders create electronic manipulatives to model addition and subtraction of integers. They are introduced to the software Inspiration and use techniques such as selecting and deselecting an object, resizing an object, moving an...
Curated OER
Volume of Irregular Objects
Fifth graders experiment using a Meniscus. In this volume lesson, 5th graders identify the volume of irregular objects using the process of water displacement. Students record data and draw conclusions.
Curated OER
Taking Away to Subtract
In this subtraction worksheet, students cross out the pictures in each set to complete the subtraction sentence. students write the number of pictures left in the 30 problems.
Alabama Learning Exchange
Yummy Apples!
Young learners listen to a read aloud of Gail Gibbons book, Apples and the story A Red House With No Windows and No Doors. They compare characteristics of a number of kinds of apples, graph them and create a apple print picture. Learners...
DK Publishing
5 Fewer Than
Before youngsters begin subtracting, give them this visual introduction focusing on the term fewer. They examine three pairs of party-themed object sets to determine which has five fewer than the other. After checking off the fewer...
Curriculum Corner
Second Grade Summer Math Practice Book
Stop the summer lag with a set of second grade Common Core based math practice sheets. Learners fill in hundreds charts with missing numbers up to 1,000. They practice writing numbers in standard, expanded, and word form. Children also...
Curated OER
Let's Shop
Upper graders add and subtract decimals, using concrete objects and story problems. Note: The Concentration Cards and Homework assignment link at the bottom of the plan doesn't work.
Curated OER
Addition 1-5
Counting discrete objects and writing the corresponding number is the first steps little ones need to master before they can add or subtract. There are 4 sets of objects for them to count, sets are composed on 3,4, or 5 objects.
Curated OER
Positive and Negative Numbers
Pupils use blocks and markers to illustrate the processes of adding, subtracting, multiplying and dividing integers. In this mathematics lesson, learners use Algebra blocks to demonstrate multiplying polynomials.
Curated OER
Acorn Math: Count by Two
For this counting by numbers worksheet, 1st graders use the acorn pictures to assist them in counting by two. Students also solve a word problem with the sum already given and they must subtract by two to find the original equation....
Curated OER
Use Symbols to Subtract
Students practice crossing out items in a group in order to complete subtraction problems. In this subtraction lesson plan, students watch a PowerPoint presentation and then practice problems on their own.
California Education Partners
Summer Olympics
Quickly get to the decimal point. The last assessment in a nine-part series requires scholars to work with decimals. Pupils compare the race times of several athletes and calculate how much they have improved over time. During the second...
Curated OER
Find the Difference Between Two Numbers
Perfect for younger elementary learners, this slide-show uses images of unifix cubes to show the process of subtraction. There is a complete example and five practice problems learners can complete as you progress through the resource.
Curated OER
Fractions: A Conceptual Approach
If you are teaching fractions to elementary learners this year, this Singapore Math presentation is essential to your curriculum. It addresses several basic fractions concepts in conceptual terms and figures, making each idea accessible...
Curated OER
Vectors: Follow That Arrow
Vectors and their connection to motion. A video will be presented to provide information for the class to use methods of solving vectors with and without grids. Real-world physical concepts will be explored in reference to vectors.
Curated OER
Fraction Food Frenzy
Students study addition of fractions with like denominators using illustrations and problem solving.
Curated OER
Counting More and Counting Less
In this counting worksheet, students will count the items in each group and write the numbers on the lines. For the first 6 problems, students will circle the group that has more items. In the last 6, students will circle the group that...
Curated OER
Study Buddies: Counting Back Tens and Ones
In this math worksheet, students will work with a coach to solve a problem in which they must subtract by counting back by tens and ones. Students will follow a step-by-step process and notes are provided for the coach.
Curated OER
Monkey Subtraction
Students listen to the book Five Little Monkeys Sitting In a Tree, identify written numbers 0-9 and the symbol for subtraction; students subtract two single digit numbers using manipulatives, and recite the corresponding number sentence.
Curated OER
Color
For this color worksheet, high schoolers read where light comes from and the different colors created through a prism. Students compare light (additive color) with pigments (subtractive color). Then high schoolers complete 1 drawing, 6...
Curated OER
Subtraction (Single Digits)
First graders demonstrate subtraction process using an object (fish scales), set up a subtraction problem using fish scales, and apply the subtraction sign when separating sets of objects.
Curated OER
What is One Less?
In this counting and subtracting one worksheet, students count each group of objects, count back one, and write the totals. Students solve 9 problems.
Curated OER
The Relationship Between Salinity and the Density of Water
Students investigate density and salinity of water. In this density and salinity lesson plan, students find the density of objects and liquids and show the relationship between the salinity and density of water. Students add salt to...