This week we finish Ch. 3: working with subtraction and move on to ch.4.
We now need to count BACKWARDS to find the difference when subtracting. We'll work to find differences for 7, 8, 9. and 10. 9-2=7, 10-3=7, 8-1=7
We now need to count BACKWARDS to find the difference when subtracting. We'll work to find differences for 7, 8, 9. and 10. 9-2=7, 10-3=7, 8-1=7