|
|
Subtraction
|
|
Lesson Plans |
|
Online Lessons - 7 great lessons for students!
Learning how to add for the first time? Then get a parent or
big kid to help with this stuff. Know your basics, but need
to get better at doing subtraction in your head without counting
on your fingers? Need to know about regrouping and adding bigger
numbers? |
| Fact
Family Lesson - Teaching fact families or Number
Families is the best way to help children master the addition
and subtraction facts. During second grade students should be
switching from counting to memorization through fact families |
| Sequenced
Lesson Plans - Two-digit addition, learning about
money, and regrouping. From Georgia Department of Education.
It is for second grade, but works for third graders. Many lessons
& activities to teach regrouping. |
| Lesson
Plans Page - Several different ideas for teaching
first or second grade level students. |
|
How to Teach Regrouping - PDF from the DOE to show
teachers "Early Steps Count: Teaching Arithmetic to Prepare
Students for Algebra". It begins with teaching regrouping. |
|
|
Subtraction
|
|
Lesson Plans |
AAA
Math - Online basic teaching of subtraction:
Objects, numbers, words, equations, one - seven digit numbers,
tens, with & without renaming, mental math, estimation,
money, decimals, time, pounds, ounces & more. |
Memorizing
Facts - Objective: Students work to memorize
facts and check this memorization with timed tests. Uses:
Manipulatives, flashcards, flashcards to take home, ziploc
bags, letter to be sent home, laminated-magnetic football,
bell, basic fact games, addition & subtraction bingo &
worksheets. |
Dr. Seuss I Can Lick 30 Tigers Today - First
grade: The main character reduces the number of opponents
through various excuses. The number goes from 30 to 29 to
22, etc. It can be a giant word problem. The story is also
an interesting example of a word problem. If the cat (the
main character) started with 30 tigers & ended with 1,
how many tigers were sent away? |
Fun
Lesson / Practice - Objective: Students will
practice adding & subtracting mentally as well as attach
the words "more" & "less" to adding
& subtracting. This is a fun alternative to traditional
math drills. |
|
|
