Bob Krech

Bob Krech has worked as a teacher, principal, supervisor, and curriculum specialist in schools in New Jersey, Scotland, and Saudi Arabia. He also worked as a consultant and adjunct professor of Education at Rider University in New Jersey. Bob was awarded the Presidential Award for Excellence in Math and Science Teaching by the National Science Foundation and the White House. He has written 30 books for teachers, parents, and students on making math fun and interesting, as well as two award-winning children’s books, Rebound and Love Puppies and Corner Kicks. He is currently working as math advisor for Channel 13/WNET's award-winning children's program, Cyberchase.

Below are featured printables by this author. To see all of this author’s resources, please click here.

Addition Using Pictures: Bar Model Math (Grade 2)

Help students solve addition word problems using the proven Singapore bar modeling method. Lesson 1 of 20 lessons that increase in difficulty, this lesson includes scaffolded instruction, projectable color versions of the problems, and student reproducibles.

Grade:

2

Subject:

1-Digit Addition, Word and Story Problems, 2-Digit Addition Without Regrouping

Type:

Interactive Whiteboard, Lesson Plans and Ideas, Skills Sheets

Number of Pages:

13

Subtract (Pictures & Unit Squares): Bar Model Math

Help students solve subtraction word problems using the proven Singapore bar modeling method. Lesson 5 of 20 lessons that increase in difficulty, this lesson includes scaffolded instruction, projectable color versions of the problems, and student reproducibles.

Grade:

2

Subject:

1-Digit Subtraction, Word and Story Problems, 2-Digit Subtraction With Regrouping

Type:

Interactive Whiteboard, Lesson Plans and Ideas, Skills Sheets

Number of Pages:

13

Multiplication Basics: Bar Model Math

What types of materials produce the most static charge? With just zipper-style sandwich bags, simple instructions, and a few household materials, students conduct a hands-on experiment and learn about physical science.

Grade:

3

Subject:

Multiplication, Word and Story Problems

Type:

Interactive Whiteboard, Lesson Plans and Ideas, Skills Sheets

Number of Pages:

13

Subtraction Using Unit Squares: Bar Model Math

Help students solve subtraction word problems using the proven Singapore bar modeling method. Lesson 6 of 20 lessons that increase in difficulty, this lesson includes scaffolded instruction, projectable color versions of the problems, and student reproducibles.

Grade:

4

Subject:

2-Digit Subtraction With Regrouping, Word and Story Problems

Type:

Interactive Whiteboard, Lesson Plans and Ideas, Skills Sheets

Number of Pages:

12

Algebra Challenge Problems: Bar Model Math

Students solve algebra word problems using the proven Singapore bar modeling method. Lesson 18 of 19 lessons that increase in difficulty, this two-part lesson includes scaffolded instruction, projectable color versions of the problems, and reproducibles.

Grade:

6

Subject:

Algebra and Algebra Readiness, Word and Story Problems

Type:

Interactive Whiteboard, Lesson Plans and Ideas, Skills Sheets

Number of Pages:

20

Featured Teacher

Bob Krech

Addition Using Pictures: Bar Model Math (Grade 2)

Subtract (Pictures & Unit Squares): Bar Model Math

Multiplication Basics: Bar Model Math

Subtraction Using Unit Squares: Bar Model Math

Algebra Challenge Problems: Bar Model Math