LR Full Line

Operations and Algebraic Thinking: Addition and Subtraction Math
Math Balance
STEM
ML
Manipulate the balance and
weights to gain insight into
abstract number and operations
concepts, algebraic equations,
and more. Includes 8 1⁄2"H
balance, twenty 10 g weights,
labels, and Activity Guide.
Grades 1+ | Ages 6+
SMALL PARTS (1).
Not for < 3 yrs.
LER 0100 $19.99
Can be used with our Primary
Bucket Balance. See pg. 177.
Weighted Numbers
1
Fun, tactile approach to teaching
beginning operations and greater than/
less than! Each color-coded number is
weighted in 5 g increments (5 g–50 g)
and features a number word spelled
out on the back. Numbers 1–10 each
measure 3"L x 1⁄2"W x 2"H.
Grades PreK+ | Ages 3+
SMALL PARTS (1). Not for < 3 yrs.
LER 2049 10 Pieces $17.99
STEM
LER 1521
ML Primary Bucket Balance
$19.99
10 + 3 = 13
Penguins on Ice Math Activity Set
ML
Reinforce counting, patterning, sorting, operations,
and base ten! Bars hold 10 penguins each and
connect 2 ways—horizontally (number line) or
vertically (hundred grid). Includes 10 plastic ice bars
(12"L x 1"H), 100 plastic penguins in 10 colors, and
Activity Guide. Grades K+ | Ages 5+
SMALL PARTS (1). Not for < 3 yrs.
LER 3311 $37.99
150