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1 nine-unit tray
1 Unit Die 0-9
2 cm x 12 cm x 1
or 10 cm x 6 cm ('10' card)
Used alongside the Subtraction Working Charts to help children memorize subtraction facts
Addition Strip Board geography 1 nine-unit trayWooden board with 12 by 18 squares with the numerals 118 printed across the top. A wooden box contains 9 red wooden strips and 9 blue wooden strips of varying lengths, both printed with the numerals 1 to 9. The purposes of this product are to: provide experience in the addition of numerals give the child concrete experience in addition aid the child in learning addition tables enable practice with combinations of numbers prepare for abstract
