SLATE WORK 21+1= 16+6= 22-1= 22-6= 20+2= 15+7= 22-2- 22-7= 19+3= 14+8= 22-3= 22-8= 18+4= 13+9= 22-4= 22-9= 17+5= 12+10= 22-5= 22-10= 19+4= 14+9= 23-4= 20+3= 15+8= 23-3= 23-8= 23-9= 18+5= 13+10= 23-5= 23-10= 23+1= 18+ 6= 24-1= 24-6= 22+2= 17+7= 24-2= 24-7= 21+3= 16+8= 24-3= 24-8= 20+4= 15+9= 24-4= 24-9= 19+5= 14+10= 24-5= 24-10= 24+1= 19+ 6= 25-1= 25-6= ORAL WORK How many l's make 10? How many 10's make 20? How many 10's make 30? How many 10's make 60? How many 10's make 90? How many 10's make 80? How many are 60 and 10? 50? 100? 20 and 10? 30 and 10? 70 and 10? 90 and 10? Two 10's and three 10's are how many 10's? Five 10's are how many ones? Three 10's and four 10's are how many 10's? Seven 10's are how many ones? Five 10's and three 10's are how many 10's? Eight 10's are how many ones? Six 10's and four 10's are how many 10's? Ten 10's are how many ones? What number has just four 10's in it? just seven 10's? just nine 10's? |