NTTI
Putting Together Ten
Groups explore sets of 10 items in two varieties (i.e. 3 white buttons and 7 black ones, or 5 bears and 5 bunnies). They brainstorm about their objects, write math sentences to represent what they have, and report their discoveries to...
Curated OER
Who Wants to Win Millions? - Addition
Some excellent practice in very basic addition awaits your young mathematicians in this engaging Jeopardy-style game. Pupils can earn hundreds of dollars by answering questions correctly. The categories include: Addition with pictures up...
Houghton Mifflin Harcourt
Unit 3 Math Vocabulary Cards (Grade 5)
Fifty-four flashcards make up a set to help reinforce math vocabulary. The set offers two types of cards; a word card printed in bold font, and a definition card equipped with an example and labels. Terms include capacity, histogram,...
Houghton Mifflin Harcourt
Unit 5 Math Vocabulary Cards (Grade 6)
Acute angle, line of symmetry, and vertex are a few terms you'll find in a set of 90 flashcards designed to reinforce math vocabulary. Included in the set are two types of cards; a word card printed in bold font, and a definition card...
Curated OER
Addition with sums to 10
In this addition worksheet, students add one digit numbers with sums up to 10. Students complete 12 addition problems.
Curated OER
Addition and Subtraction Facts to 20 - Manipulative
Here is a good lesson that will allow your student to practice their addition and subtraction facts to 20. They practice facts using fact cards and practice strategies such as doubles strategies, and count to 10 strategies.
Curated OER
Estimating Sums of Money
By rounding, scholars find that adding money amounts becomes a breeze! They round two and three-digit numbers (with decimals) in these addition problems to get approximate sums. For each, mathematicians write the new addition equation...
Public Schools of North Carolina
Math Stars: A Problem-Solving Newsletter Grade 4
Fresh off the press, these math newsletters will challenge the problem solving skills of your young mathematicians. With an incredibly wide variety of questions covering the topics of arithmetic and geometry, these unique...
Pedago Net
Math Games Using Dice and Cards to Promote Mental Strategies
Develop mental math skills using these fun partner games. Covering basic operations, each one offers differentiation options, extension ideas, and clear directions. Dice or cards is all you'll need to keep kids' attention as they...
EngageNY
Putting the Law of Cosines and the Law of Sines to Use
Use the Law of Cosines and the Law of Sines to solve problems using the sums of vectors. Pupils work on several different types of real-world problems that can be modeled using triangles with three known measurements. In the process,...
Curated OER
Math Handbook: Trigonometry
You'll be spinning in unit circles once you read through this jumbo-sized resource of everything you need to know about trigonometry. Each page has color-coded examples with explicit directions that detail the problems and formulas.
Curated OER
Making a Ten
An addition table supports third graders as they learn strategies to improve their math fluency. When finding sums greater than ten, young scholars are taught how to first make a ten and then add on the rest. A similar method is also...
Math Solutions
Race to 20
And they're off! Working in pairs, young mathematicians roll dice to see who can fill in their double ten-frames first. When students finally fill in their arrays, they create addition number sentences that represent their rolls, helping...
DK Publishing
Fishing for 10
Young counters will enjoy this beginning addition activity; they get to color as they go! For each set of 10 fish they color some green and leave some white. Then, they fill in the blanks to create an addition sentence with the sum of...
Shodor Education Foundation
InteGreat
Hands-on investigation of Riemann sums becomes possible without intensive arithmetic gymnastics with this interactive lesson plan. Learners manipulate online graphing tools to develop and test theories about right, left, and midpoint...
Scholastic
Adding and Subtracting Ten
Developing fluency with basic addition and subtraction is fundamental to the success of all young mathematicians. This four-day lesson series begins with learners using ten-frames and hundreds charts to recognize patterns when adding and...
Pedago Net
Acing Math
Deal me in! Elementary and middle school classes will love this selection of math games, all involving a deck of cards. From fractions to exponents to rounding up and down, the games cover such a variety of skills that your classroom...
Benjamin Franklin High School
Saxon Math: Algebra 2 (Section 9)
Section 9 of the 12 linked Saxon Math sections introduces the young algebrist to graphing periodic functions, creating graphs from quadratic roots, working with inequalities, and rational equations. Common among all the lessons is the...
Curated OER
Beginning to Add Decimals Mentally
In this addition worksheet, learners solve ten math problems in which they add a single digit number and a decimal number. Students solve these problems in their head and write the answers in the boxes. The answers are available on the...
Curated OER
Year 5, Term 2, Unit 9 - Day 1
A well-designed presentation can help your class with a variety of mathematical concepts. Pupils practice many different computational skills, such as addition, subtraction, finding multiples of 10, working with decimals, and solving...
Curated OER
Sums of 10
In this addition instructional activity, students supply the missing addends necessary to arrive at the sum of 10. A website reference for additional resources is given.
Curated OER
Addition Facts to Ten
In this math worksheet, students learn to solve sums below 10. Students also learn the words "plus" and "sum" by solving 20 addition problems with words.
Curated OER
Converting Fractions to Decimals
These fractions need to be converted to decimals, but no calculator is needed. Scholars examine two examples which explain the process briefly before completing 16 fractions with denominators of either 10 or 100. For the next section...
Curated OER
Adding Up
Make addition visual in order to help beginners understand the concept. They add up beads on a string, examining an example before trying it on their own. Learners fill in addends and sums for these, and sometimes both. Although...