This is a set of 17 charts and 4 boxes of number tiles. The tiles have the numbers printed in red, green, yellow and blue to denote addition, subtraction, multiplication and division. All the charts have blocks of squares printed on them. Each control chart has the basic combinations and the results printed on them. Each work chart has the basic combinations without the answers printed on them.
|Size||All the boards put together - 98.5 cm x 41 cm x 17 cm. Each Box Size - 17 cm x 12 cm x 4.5 cm|