Arithmetic - Place Value

Base 4, Base 5, and Base 10 pieces including mats, strips, units, and linear pieces.

ImageNameGrade LevelItem #Price

Large Base Ten Pieces are easy to handle and great for modeling numeration, place value, addition, subtraction, and more.  Set contains three 20 cm x 20 cm mats, twenty 2 cm x 20 cm strips (10 green and 10 yellow), and fifty 2 cm x 2 cm units (25 green and 25 yellow).  Pictured black Linear Unit Pieces sold separately.

2-10USM$14.00

1 cm overhead area pieces tinted to match the Large Base Ten Area Pieces. Set includes 3 red mats, 20 strips (10 green, 10 yellow), and 60 units (30 green, 30 yellow).

2-10USMO$8.00

3 red replacement mats for Large Base Ten Area Pieces Set.
Pictured as part of Large Base Ten Area Set.

2-10MR$6.00

10 green and 10 yellow replacement strips for Large Base Ten Area Pieces Set.
Pictured as part of Large Base Ten Area Set.

2-10STR$6.00

100 red replacement units for Large Base Ten Area Pieces Set.
Green and Yellow versions pictured as part of full set.

2-10UR$5.00

100 yellow replacement units for Large Base Ten Area Pieces Set.
Pictured as part of full set.

2-10UY$5.50

100 green replacement units for Large Base Ten Area Pieces Set.  Pictured as part of full set. 

2-10UG$5.00

100 blue replacement units for Large Base Ten Area Pieces Set.
Green and Yellow versions pictured as part of full set. 

2-10UB$6.00

Area pieces are made from 30-mil yellow styrene and die-cut for easy separation. Includes 40 mats, 100 strips, and 200 units.  Each unit is 1 cm X 1 cm.  Pictured Linear Pieces are sold separately. 

2-12PGT10$32.00

Each set comes in an individual resealable bag and includes 10, ten-unit strips and 20, one-unit pieces. Includes 30 sets.

2-10BPLT30$15.00

Demonstrate base ten concepts at the overhead with these tinted transparent plastic pieces. 2 mats, 20 strips, 30 units.  Units are 1 cm square.

2-10OH10$2.00

For use with a white or magnetic board, these magnetic base ten pieces are great for modeling numeration, place value, addition, subtraction, and more. Set contains three 5 x 5 inch mats, twenty 0.5 x 5 inch strips (10 green and 10 yellow), and 0.5 x 0.5 inch units (30 green and 30 yellow).

2-10USMMAGPA$30.00

1 inch-long units for use with colored tile to create area models. Class set has 10 individual sets each of which contains 30 units. Pictured colored tiles sold separately.

Please see Safety Warning Label 1.

2-10LUR10$10.00

Set of 200 linear edge strips for use with Large Base Ten or Large Base Five Area Pieces. 0.33 cm wide by 20 cm long, black plastic with white unit marks.  Includes 10 plastic storage bags.

3-10LEP$14.00

Black plastic linear unit pieces for use with Large Base Ten or Large Base Five Area Pieces, 0.33cm wide by 2 cm long. 8 bags, 100 units per bag.

3-10LU8$10.00

Used to model place value, addition, subtraction, and more. Set contains fourteen 10 cm x 10 cm mats, twenty-five 2 cm x 10 cm strips, and twenty-five 2 cm x 2 cm units. Made of 30 mm thick plastic.

3-10PGF2CM$10.00

Used to model place value, addition, subtraction, and more. Set contains fourteen 10 cm x 10 cm mats, twenty-five 2 cm x 10 cm strips, and twenty-five 2 cm x 2 cm units. Printed on cardstock.

3-10PGF2CMPA$4.00

Transparent blue, 30 mil poly mats, strips, and units for overhead use.

3-10PGFO$6.00

Area pieces are made from coated cardstock. Set includes 1 strip mat, 9 mats, 26 strips, and 30 units.

2-10PG4PA$4.00

Rose-colored Base Four Grid for overhead use. Ready to be cut apart.

3-10PG4O$4.50