Curated OER
Counting and Calculating
In this math worksheet, students follow the basic activities that are shown in the planning guide written for the teacher. The plan is written in the form of a unit.
Curated OER
Identify the Common Property in Twelve Octagons
In this Octagon Puzzle worksheet, learners determine the common property for the given numbers in each of twelve octagon. The solutions are provided.
Curated OER
Let's Take a Trip!
Sixth graders plan trip for family of four, and choose best travel plan by studying maps, considering different routes, and visiting Web sites to get airline and travel schedules.
Curated OER
Place Value
First graders practice place value by completing problems that allow them to group 10 items together to create groups of 10 and see what is left over. In this place value lesson plan, 1st graders use cups to put 10 items in them, and...
Curated OER
Big Magic Squares
Students discover that magic squares are interesting objects in both mathematics proper and in recreational mathematics. So they are objects that students should have heard about and experienced.
Curated OER
Calculating Baseball Statistics
Students calculate baseball statistics. In this data analysis lesson, students use baseball statistics to calculate the batting average and slugging percentage. Students visit www.funbrain.com to play a math baseball game.
Curated OER
e, pi, and Exponential Functions
Students investigate e, pi and exponents. In this calculus instructional activity, students define constants and non-constants using, pi, e and exponents as an example. They use the TI to work the problems in this instructional activity.
Curated OER
See how They Grow: Butterfly
Young scholars view butterflies and participate in a butterfly activity to learn needed vocabulary. In this butterfly life cycle lesson, students access prior knowledge of butterflies. Young scholars listen to a butterfly life cycle...
Curated OER
Using Scientific Notation
In this scientific notation worksheet, students practice calculating area, speed, and volume being sure to write the answers in correct scientific notation. Students complete 11 problems.
Curated OER
Mythbusters
Eighth graders watch an episode of Mythbusters and answer questions that arise in the video about the scientific process. In this Mythbusters lesson plan, 8th graders complete a scientific investigation based on the video.
Curated OER
Clock Arithmetic and Cryptography
Students investigate modular clock arithmetic and cryptography. They perform basic operations in modular (clock) arithmetic and encode and decode messages using simple shift and affine ciphers.
Curated OER
Riddles
In this riddles learning exercise, students answer each of four mathematical riddles with one of the words provided from the word bank.
Curated OER
How Many Ways?
Second graders develop number sense. In this number sense lesson, 2nd graders use multiple ways to represent numbers including written numerals, tally marks and manipulatives. Students correctly use place value to the thousands place.
CK-12 Foundation
Ck 12: Elem Math: Subtracting 2 Digit Numbers Without Regrouping
[Free Registration/Login may be required to access all resource tools.] The video describes how to solve a two-digit subtraction problem without regrouping. The video is followed by additional problems for students to practice the skills...
CK-12 Foundation
Ck 12: Elem Math: Subtracting 2 Digit Numbers With Regrouping
[Free Registration/Login may be required to access all resource tools.] The video describes how to solve a two-digit subtraction problem with regrouping. The video is followed by additional problems for students to practice the skills...
NumberNut
Number Nut: Subtraction: Single and Double Digit Subtraction
A quiz where the player reads a subtraction word problem with one- and two-digit numbers, and then picks the correct answer.
Khan Academy
Khan Academy: Subtract 2 Digit Numbers (No Regrouping)
Practice solving problems like 45 - 24. Students receive immediate feedback and have the opportunity to try questions repeatedly, watch a video or receive hints.
CK-12 Foundation
Ck 12: Elem Math: Adding Two Digit Numbers Without Regrouping
[Free Registration/Login may be required to access all resource tools.] The video describes how to solve a 2-digit addition problem without regrouping. The video is followed by practice problems.
CK-12 Foundation
Ck 12: Elem Math: Comparing With Two Step Addition and Subtraction Word Problems
[Free Registration/Login may be required to access all resource tools.] The video is a 2 part word problem using addition and subtraction of 2-digit numbers. The video is followed by practice problems to assess student understanding of...
ABCya
Ab Cya: Balloon Pop Subtraction
The learning game review subtraction facts. Players pop balloons to solve the subtraction problems.
Illustrative Mathematics
Illustrative Mathematics: Saving Money 2
The purpose of this task is for young scholars to relate addition and subtraction problems to money and to situations and goals related to saving money. A problem is given that will contain multiple solutions, this allows students to...
Other
Nearpod: Addition & Subtraction: Winter Edition
In this lesson plan, 2nd graders will use keywords and the part-part-whole model to solve addition and subtraction word problems with 2-digit and 3-digit numbers.
Khan Academy
Khan Academy: Subtract 1 Digit Numbers With Regrouping
Practice solving problems like 46-9. Students receive immediate feedback and have the opportunity to try questions repeatedly, watch a video or receive hints.
CK-12 Foundation
Ck 12: Elem Math: Mixed Operations Addition and Subtraction I Word Problems
[Free Registration/Login may be required to access all resource tools.] The video shows how to solve a word problem with addition and subtraction of two-digit numbers. The video is followed by a series of practice questions to assess...