Drexel dragonThe Math ForumDonate to the Math Forum

The Math Forum Internet Mathematics Library

Browse and Search the Library
Home : Levels : Elem : PreK-2

_____________________________________
Library Home || Search || Full Table of Contents || Suggest a Link || Library Help
_____________________________________


  Selected Sites   (see also All Sites in this category)

  1. Introduction to Fractions for Primary Students - Varnelle Moore
    A Web unit designed to introduce young children (K-2) to beginning concepts in fractions: equal parts, divide and shade, parts to whole, and writing fractions. Each lesson includes an interactive, manipulative-based project, technology, paper/pencil practice, and literature connections. Helpful links and teacher support extension ideas are also provided including alignment to NCTM Standards. more>>

  2. Introduction to Geometry for Primary Students - Varnelle Moore
    A Web unit designed to introduce young children (K-2) to beginning concepts in geometry: describing shapes, making patterns, building shapes, rotational symmetry, and line symmetry. Each lesson includes an interactive, manipulative-based project, technology, paper/pencil practice, and literature connections. Helpful links and teacher support extension ideas are also provided. more>>

  3. Introduction to Measurement for Primary Students - Varnelle Moore
    A Web unit designed designed to engage young children in a series of activities where they measure and describe the attributes of integer bars: building houses, short vs. tall, designing bridges, measuring using integer bars. Each lesson includes an interactive, manipulative-based project, technology, paper/pencil practice, and literature connections. Helpful links and teacher support extension ideas are also provided. more>>

  4. Introduction to Symmetry for Primary Students - Varnelle Moore
    A unit designed to give young children (K-2) an introduction to symmetry, with lessons on describing tangrams, slides, turns, and flips. Each lesson includes: an interactive, manipulative-based project; an activity incorporating technology; pencil and paper practice; and literature connections. Helpful links and teacher support extension ideas are also provided. more>>

  5. Place Value: K-3 - Andra McLeod
    A "box full" of place value manipulatives for the classroom, with descripion, lesson ideas, and objectives listed for each of five types of manipulative. more>>


 

Mason error

error in file:   /usr/lib/perl5/5.6.0/Carp/Heavy.pm
 
line 79:  Bizarre copy of HASH in aassign
context:  
... 
75:  # them according to the format variables defined earlier in
76:  # this file and join them onto the $sub sub-routine string
77:  if ($hargs) {
78:  # we may trash some of the args so we take a copy
79:  @a = @DB::args; # must get local copy of args
80:  # don't print any more than $MaxArgNums
81:  if ($MaxArgNums and @a > $MaxArgNums) {
82:  # cap the length of $#a and set the last element to '...'
83:  $#a = $MaxArgNums;
... 
component stack:   /library/branch.html
/library/dhandler
code stack:   /usr/lib/perl5/5.6.0/Carp/Heavy.pm:79

debug info:   Debug file is '/var/lib/mason/debug/anon/9'.

raw_error





























raw error:
 






























error while executing /library/branch.html:
Bizarre copy of HASH in aassign at /usr/lib/perl5/5.6.0/Carp/Heavy.pm line 79.