At the end of the year, a lot is going on in our classroom. We continue our center routine for additional practice and to allow for end of the year testing to be completed.
SWBAT read and write numbers to 20..
SWBAT read and write numbers to 30.
Numbers don't stop at 20! We spend the last week or so of school looking at the numbers beyond 20.
Practicing math problems is a great way to study for a math test!
The number line is a useful tool when ordering positive and negative rational numbers.
This lesson helps build a strong culture of problem solvers, and it can work as an introduction in 1st grade or as a Kindergarten lesson!
Adding and subtracting numbers on a number line is a neat way to see how numbers are added and subtracted using visual interpretations.
Overview of how to write algebraic expressions with step-by-step examples.
This task suggests methods of introducing and continuing choral counting in the classroom.
A number of different ways to approach complex numbers and operations with them.
Contains detailed information on absolute values for complex numbers.
Given a set of numbers, learn how to tell which are rational and which are irrational. [2:17]
Khan Academy learning modules include a Community space where users can ask questions and seek help from community members. Educators should consult with their Technology administrators to determine the use of Khan Academy learning modules in their classroom. Please review materials from external sites before sharing with students.
En "Barbaroja, el Pirata", Tucker pierde su querido Lil' Squeakie luego de que sus amigos pasaran el dia enterrando tesoros en la arena. Clifford y Emily Elizabeth hacen su mision el encontrar el juguete tesoro de Tucker antes de la hora de dormir pero es mas dificil de encontrar de lo que ellos se imaginaron. Pero los piratas jamas se dan por vencidos! Ellos se imaginaron sus propios juguetes especiales para dormir y continuaron su mision hasta que desenterraron un seguro- pero muy arenoso- Lil' Squeakie!
The purpose of this task is to help students understand the connection between counting and cardinality. Thus, oral counting and recording the number in digit form are the most important aspects of this activity. However, teachers can extend this by making a bar graph about how many students are wearing the color each day.
A collection of resources that explain complex numbers and how to do arithmetic with them.
A free CK-12 account is required to view all materials.
This lesson covers the powers of i, and adding and subtracting complex numbers, as well as how to plot them in the complex plane. Students examine guided notes, review guided practice, watch instructional videos and attempt practice problems.
A free CK-12 account is required to view all materials.
This sample chapter from Hurst's book Picturing Math is an excellent resource for using picture books and activities for learning computation.
Find out how to solve a word problem by constructing a numerical expression. [1:21]
Khan Academy learning modules include a Community space where users can ask questions and seek help from community members. Educators should consult with their Technology administrators to determine the use of Khan Academy learning modules in their classroom. Please review materials from external sites before sharing with students.
This lesson [3:07] demonstrates conversion from written or spoken words to numbers and symbols. It is 9 of 9 in the series titled "Converting Words to Math."