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The Critical Thinking Company has been publishing award winning products to help students of all abilities achieve higher test scores for over 50 years. The contents of these bundles were carefully selected by The Critical Thinking Company to ensure coverage of material tested on the Iowa Test of Basic Skills (ITBS). Each activity requires students to analyze, synthesize, and apply what they learn. The more students think about what they are learning, the more students understand what they are learning. There is no need for an expensive tutor with a resource like one of these bundles.

The Critical Thinking Company is recommended by Mensa, Learning Magazine, The Well Trained Mind, Dr. Toy, Creative Child Magazine, and used by Sylvan Learning Centers, Club Z In-Home Tutoring, leading U.S. public schools, and gifted and talented programs in 57 countries throughout the world. They guarantee better grades and higher test scores.

In addition to the bundles below we highly recommend the Spectrum Test Preparation and Spectrum Test Practice Series. 
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ITBS® Prep Bundle for Kindergarten (Critical Thinking Company) ITBS Prep Bundle for Kindergarten (Critical Thinking Company)

Collection of The Critical Thinking Company's top selling kindergarten products to use in preparation for the Iowa Test of Basic Skills (ITBS®).

Publisher Price $78.96
Our Price: $71.06
You save $7.90!
Spectrum Test Practice Grade 1 Spectrum Test Practice Grade 1

Practice with both content and format on standardized tests.

Our Price: $15.99
Spectrum Test Prep Grade 1 Spectrum Test Prep Grade 1

Boosts confidence and helps learners improve test scores by offering children the preparation they need for standardized tests.

Our Price: $9.99
Spectrum Test Practice Grade 1 Spectrum Test Practice Grade 1

Grade 1
Pages: 160, reproducible

Practice with both content and format on standardized tests. Common Core aligned. Free online resources include language arts and math practice tests for your individual state’s alignments.

Our Price: $15.99
ITBS® Prep Bundle for Grade 1 (Critical Thinking Company) ITBS Prep Bundle for Grade 1 (Critical Thinking Company)

Collection of The Critical Thinking Company's top selling Grade 1 products to use in preparation for the Iowa Test of Basic Skills (ITBS®).

Publisher Price $121.95
Our Price: $109.76
You save $12.19!
ITBS® Prep Bundle for Grade 2 (Critical Thinking Company) ITBS Prep Bundle for Grade 2 (Critical Thinking Company)

Collection of The Critical Thinking Company's top selling Grade 2 products to use in preparation for the Iowa Test of Basic Skills (ITBS®).

Publisher Price $149.94
Our Price: $134.95
You save $14.99!
Spectrum Test Practice Grade 2 Spectrum Test Practice Grade 2

Grade 2
Pages: 160, reproducible

Practice with both content and format on standardized tests. Common Core aligned. Free online resources include language arts and math practice tests for your individual state’s alignments.

Our Price: $15.99
Spectrum Test Prep Grade 2 Spectrum Test Prep Grade 2

Boosts confidence and helps learners improve test scores by offering children the preparation they need for standardized tests.

Our Price: $11.99
ITBS® Prep Bundle for Grade 3 (Critical Thinking Company) ITBS Prep Bundle for Grade 3 (Critical Thinking Company)

Collection of The Critical Thinking Company's top selling Grade 3 products to use in preparation for the Iowa Test of Basic Skills (ITBS®).

Publisher Price $221.91
Our Price: $199.72
You save $22.19!
Spectrum Test Prep Grades 3 Spectrum Test Prep Grade 3

Boosts confidence and helps learners improve test scores by offering children the preparation they need for standardized tests.

Our Price: $9.99
Spectrum Test Practice Grade 3 Spectrum Test Practice Grade 3

Grade 3
Pages: 160, reproducible

Practice with both content and format on standardized tests. Common Core aligned. Free online resources include language arts and math practice tests for your individual state’s alignments.

Our Price: $15.99
Spectrum Test Prep Grades 3 Spectrum Test Prep Grade 3

Boosts confidence and helps learners improve test scores by offering children the preparation they need for standardized tests.

Our Price: $11.99
ITBS® Prep Bundle for Grade 4 (Critical Thinking Company) ITBS Prep Bundle for Grade 4 (Critical Thinking Company)

Collection of The Critical Thinking Company's top selling Grade 4 products to use in preparation for the Iowa Test of Basic Skills (ITBS®).

Publisher Price $221.91
Our Price: $199.72
You save $22.19!
Spectrum Test Practice Grade 4 Spectrum Test Practice Grade 4

Grade 4
Pages: 160, reproducible

Practice with both content and format on standardized tests. Common Core aligned. Free online resources include language arts and math practice tests for your individual state’s alignments.

Our Price: $15.99
ITBS® Prep Bundle for Grade 5 (Critical Thinking Company) ITBS Prep Bundle for Grade 5 (Critical Thinking Company)

Collection of The Critical Thinking Company's top selling Grade 5-6 products to use in preparation for the Iowa Test of Basic Skills (ITBS®).

Publisher Price $194.92
Our Price: $175.43
You save $19.49!
Spectrum Test Practice Grade 5 Spectrum Test Practice Grade 5

Grade 5
Pages: 160, reproducible

Practice with both content and format on standardized tests. Common Core aligned. Free online resources include language arts and math practice tests for your individual state’s alignments.

Our Price: $15.99
Spectrum Test Prep Grades 5 Spectrum Test Prep Grade 5

Boosts confidence and helps learners improve test scores by offering children the preparation they need for standardized tests.

Our Price: $11.99
ITBS® Prep Bundle for Grade 6 (Critical Thinking Company) ITBS Prep Bundle for Grade 6 (Critical Thinking Company)

Collection of The Critical Thinking Company's top selling Grade 5-6 products to use in preparation for the Iowa Test of Basic Skills (ITBS®).

Publisher Price $166.93
Our Price: $150.24
You save $16.69!
ITBS® Prep Bundle for Grade 7-8 (Critical Thinking Company) ITBS Prep Bundle for Grade 7-8 (Critical Thinking Company)

Collection of The Critical Thinking Company's top selling Grade 7-8 products to use in preparation for the Iowa Test of Basic Skills (ITBS®).

Publisher Price $98.05
Our Price: $89.06
You save $8.99!
Spectrum Test Prep Grades 7 Spectrum Test Prep Grade 7

Boosts confidence and helps learners improve test scores by offering children the preparation they need for standardized tests.

Our Price: $11.99
Spectrum Test Practice Grade 7 Spectrum Test Practice Grade 7

Grade 7
Pages: 160, reproducible

Practice with both content and format on standardized tests. Common Core aligned. Free online resources include language arts and math practice tests for your individual state’s alignments.

Our Price: $15.99
Spectrum Test Practice Grade 8 Spectrum Test Practice Grade 8

Grade 8
Pages: 160, reproducible

Practice with both content and format on standardized tests. Common Core aligned. Free online resources include language arts and math practice tests for your individual state’s alignments.

Our Price: $15.99
Spectrum Test Prep Grades 8 Spectrum Test Prep Grade 8

Boosts confidence and helps learners improve test scores by offering children the preparation they need for standardized tests.

Our Price: $11.99
   
 
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