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6 yrs. - 7 yrs. / 1st gr. - 2nd gr.

What are these new safety labels for?
Actually, these are the same labels that have always
appeared on our products! But, new guidelines have
prompted us to display any applicable safety labels
wherever products are sold. The goal is to keep you as
informed as possible about the products you purchase.

At Lakeshore, child safety is our first priority.
That's why our product testing standards exceed even
those required by U.S. law. But, if you have any ques-
tions about our products, we hope you won't hesitate
to e-mail Customer Service or call us toll-free at
(800) 428-4414, Mon.-Fri., 6:00 a.m.-6:00 p.m., PST.
Thank you!
  • discontinued
Inverse Operation Wheels - Addition & Subtraction - Set of 30

  • discontinued
Students uncover relationships between addition & subtraction…while they brush up on their math skills! Each of our wheels spins to display a new number in two inverse equations…kids can solve either one of the equations—whichever is easiest for them! When they do, they’ll discover that they’ve found the answer to both equations! The set includes 30 unique wheels—enough for the whole class to practice math facts! Plus, the wheels are self-checking—with answers on back! Wheels are 7 1/8" each.

Develops skills in addition and subtraction, problem-solving strategies, missing addends, and unknown numbers.
item# PP166

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