Toggle search form
Search for:
Toggle navigation
MathNinja.Org
Store
Number Sense Workbooks
Number Sense Workbook Vol 1 Green Book
Green Book Pages 5 – 35
Green Book Pages 36 – 65
Advanced Number Sense Workbook Vol 2 Blue Book
Blue Book Pages 5-35
Blue Book pages 36-66
Advanced Number Sense Workbook Vol 3 Red Book
Red Book Pages 5 – 35
Red Book Pages 36-71
Flashcards
Flashcards 1-50
Flashcards 51 – 100
Flashcards 101-150
Flashcards 151-200
Flashcards 201-250
Flashcards 251-296
Upcoming Coming Classes
Spring Break Advanced Number Sense Prepare for Number Sense State.
Online Summer Camps June 9th through June 26th
In person Training Village School July 6th through July 17
Winter Break Advanced Number Sense
Algebra Lessons
Geometry Lessons
Math Team
Red Book Page 45 Sum of the Reciprocals of the Divisors of a Number
Search for:
Recent Posts
TMSCA/ UIL/ PSIA and MATHCOUNTS Online Summer Classes sign up Today!!!
Get Ready for Junior High and High School Number Sense State This Spring!
Winter Break Online Advanced Number Sense Class Dec 29th through Dec 31st 1st 10am to 12pm CST
Advanced Number Sense Workbook Volume 2 is now for sale!!!!
Flour Bluff Hornets 33 year in a row TMSCA State Champion
Recent Comments
on
Converting square and cubic units
Satvik S.
on
Converting square and cubic units
Adriene
on
Math Team
anthony gillespey
on
TMSCA/ UIL/ PSIA and MATHCOUNTS Online Summer Classes sign up Today!!!
Nuhan H.
on
TMSCA/ UIL/ PSIA and MATHCOUNTS Online Summer Classes sign up Today!!!
Categories
Categories
Select Category
Algebra Lessons (70)
Algebra Unit 2 (2)
Algebra Unit 6 (1)
Unit 1 Algebra 1 (5)
Unit 10 Algebra 1 (5)
Unit 12 Algebra 1 (1)
Unit 2 Algebra 1 (6)
Unit 3 Algebra 1 (9)
Unit 4 Algebra 1 (7)
Unit 5 Algebra 1 (7)
Unit 6 Algebra 1 (9)
Unit 7 Algebra 1 (6)
Unit 8 Algebra 1 (6)
Unit 9 Algebra 1 (8)
Algebra Unit 4 (1)
Algebra Unit 5 (3)
Favorites (1)
Funny (1)
Math Team (15)
Number Sense (1)
Teaching (3)
Uncategorized (14)
Calendar of Posts
June 2026
M
T
W
T
F
S
S
1
2
3
4
5
6
7
8
9
10
11
12
13
14
15
16
17
18
19
20
21
22
23
24
25
26
27
28
29
30
« Feb
Upcoming Math Competitions
Meta
Log in
Entries feed
Comments feed
WordPress.org
Archive
Archive
Select Month
February 2026
January 2026
October 2025
June 2019
April 2018
April 2017
October 2016
August 2016
April 2016
September 2015
August 2015
October 2014
August 2014
April 2014
January 2014
December 2013
November 2013
September 2013
August 2013
July 2013
June 2013
May 2013
April 2013
March 2013
January 2013
Cagegory Posts
Cagegory Posts
Select Category
Algebra Lessons (61)
Algebra Unit 2 (2)
Algebra Unit 4 (1)
Algebra Unit 5 (3)
Algebra Unit 6 (1)
Favorites (1)
Funny (1)
Math Team (15)
Number Sense (1)
Teaching (3)
Uncategorized (14)
Unit 1 Algebra 1 (5)
Unit 10 Algebra 1 (5)
Unit 12 Algebra 1 (1)
Unit 2 Algebra 1 (6)
Unit 3 Algebra 1 (9)
Unit 4 Algebra 1 (7)
Unit 5 Algebra 1 (7)
Unit 6 Algebra 1 (9)
Unit 7 Algebra 1 (6)
Unit 8 Algebra 1 (6)
Unit 9 Algebra 1 (8)
Search
Search for:
Archive
Archive
Select Month
February 2026
January 2026
October 2025
June 2019
April 2018
April 2017
October 2016
August 2016
April 2016
September 2015
August 2015
October 2014
August 2014
April 2014
January 2014
December 2013
November 2013
September 2013
August 2013
July 2013
June 2013
May 2013
April 2013
March 2013
January 2013
Recent Comments