Curated OER
Lesson 3: Number Sense
Learners solve word problems using number sense. They convert fractions to decimals and mixed numbers. Pupils determine if a given fraction is greater or less than another fraction, and order numbers on a number line.
Illustrative Mathematics
Number of the Day
Daily routines not only help to manage classrooms, they can also provide students with rich opportunities for learning. This activity supports young learners in developing their number sense by counting up the school days on a class...
Curated OER
Number Sense and Numeration
Students add and subtract integers. In this algebra lesson plan, students discuss number sense as they sort numbers in the correct order. They analyze and label numbers differentiating between rational and irrational numbers.
Curated OER
K-5 Mathematics Module: Number and Number Sense
Reinforce number sense with a collection of math lessons for kindergarteners through fifth graders. Young mathematicians take part in hands-on activities, learning games, and complete skills-based worksheets to enhance proficiency...
Curated OER
Math Throughout the Day
Learners practice their number sense throughout the day. They practice their use and understanding of numbers in every part of the day. Students watch and listen to the teacher count students in class, sort themselves based on colors or...
K-5 Math Teaching Resources
Base Ten Cards (tens and ones)
Strengthen your class's understanding of place value with this series of base-ten flash cards. Including illustrations representing a variety of numbers from 13 to 94, this resource can be used in many different ways...
Curated OER
Kindergarten Numbers and Number Sense
Twelve math lessons take kindergartners through the process of number sense and counting. The skills range from counting to ten, filling out ten frames, indicating ordinal position of an object, and counting by fives and tens to one...
Curated OER
How Much, How Fast, How Far?
Students investigate the concept of the number one million. In this number concepts lesson, students read the book How Much is a Million? and brainstorm questions, such as "how many leaves are on a tree" and "how many hairs are on your...
K-5 Math Teaching Resources
Ten Frame
Engage young mathematicians in building their number sense with this set of ten frame printables. Whether you're teaching pupils how to count, add, or subtract, these tools offer children tremendous support with...
Curated OER
Number Patterns
Help your learners to identify even and odd numbers. In this number sense lesson, they read the book Madeline and use counters to identify which number has a "partner." Learners write down odd and even numbers on a whiteboard.
Mental Arithmetic
Number Bonds to 10
First graders solve the sums up to 10 using the mental math strategy of number bonding. Thirty different addition facts on the worksheet allow for plenty of practice.
Curated OER
Number and Number Relations
Upper graders multiply numbers by tens and hundreds, and multiply two and three digit numbers by one digit numbers. They participate in a teacher-led lecture and complete examples with the class, complete a worksheet, and discuss the...
Illustrative Mathematics
Pick Two
Learning to break apart numbers into smaller pairs is a critical step young mathematicians take as they develop their number sense. To practice this skill, children are provided with sets of three numbers and are asked to pick the two...
Public Schools of North Carolina
Math Stars: A Problem-Solving Newsletter Grade 2
Develop the problem solving skills of your young learners with this collection of math newsletters. Covering a variety of topics ranging from simple arithmetic and number sense to symmetry and graphing, these...
Illustrative Mathematics
Which Number is Greater? Which Number is Less? How do you Know?
When comparing groups of objects, it's easy for children to identify which has more, but it's not so easy for them to explain their reasoning. This simple whole-group activity provides multiple opportunities for learners to compare...
Curated OER
Number and Number Relations: Lesson 1
In a detailed format, this plan walks learners through an introduction to place value. They explore place value words and concepts and recognize patterns in the number system. Students identify a number when given a number word. They use...
Curated OER
Sea and Learn - Lesson Plan: A Day at the Dockyard
Students illustrate and practice number bonds to 5, 10 and 20. They participate in short warm-up games and then advance to the task related to solving with number bonds. Many strategies of calculation are utilized to help the students...
Curated OER
Fantasy Baseball
Check out this thematic unit, based on the game of baseball. Learners investigate numbers and number relations as they become familiar with some of the basic terminology associated with the game. They focus their attention on actual...
EngageNY
Grade 5 Math Module 1, Topic C, Lesson 8
Go another round on rounding. Pupils refine their learned rounding skills in the eighth installment in an 18-part unit on decimals. The instructional activity takes away some of the previous scaffolding to encourage scholars to use the...
Curated OER
Krypto Math Game
Students play a math game. In this number sense and mental math instructional activity, students play a game where they use mental math to form equations that result in the target number required to win the game.
Curated OER
Counting 1 to 5
Students explore number sense by participating in a counting activity. In this whole numbers lesson, students identify the first 5 numbers after 0 and practice writing them in class. Students utilize visual aides to assist them and...
Curated OER
Ways to Make Hundreds
How many ways can you make 200 using 1s, 10s, and 100s? Learners will build number sense, a basic understanding of place value, and prep for future lessons on expanded form with this simple learning exercise. They are given 6 numbers,...
Alabama Learning Exchange
Are Your Numbers Round?
Elementary schoolers investigate how to round numbers to the nearest tenth. In this number sense lesson plan, learners view a video clip on the Internet to practice rounding numbers. They use place value charts to help aid in the...
Curated OER
Spin Your Number Wheels!
Students measure and problem solve to fabricate a multi-step, interactive math-learning tool. They calculate correct number bonds (equations) while using their number wheels. Students comprehend that addition and subtraction are inverse...