Subtracting
leah was using the numicon and jewels to work out the answer to the sums. Leah made 15 using a ten and 5 she then covered up the holes with the jewels to work out the answer.
leah was using the numicon and jewels to work out the answer to the sums. Leah made 15 using a ten and 5 she then covered up the holes with the jewels to work out the answer.