Question

Written Assignment: I. Based on the reading, what are two incorrect possible responses that children may give to the following open number sentence and what would they understand or not understand about the equal sign? 9 +7= 0 + 5 II. Based on the reading, how might a student correctly solve the equation below without adding 58 + 74 or without subtracting 72 from both sides? 58 + 74 = 0 + 72 III. Solve the balance scale problem below using any method. Explain and show your method, then attach appropriate algebraic statements to each step. ܝܐܦ ܤܛܦ ܢܛ ܝܣܦ ܀ Scale A Scale B Scale C

Answer 1

If they understand the equal rign but not understand 4² addition then they may Write 9+7=7 +5 as 7=7. and if they don Earlet unders do not understand the '=' equal rign then they may word the add of 947 se. 16 9+7 = 110] +5 58+74= 0 +72 o As he know 74 is a more than 72. . so he adds 2 on in 58 de. 58+2 560. let = x 4 A=y 4 0 By scale A 2x=y By scale B y + z =3x 1 we can write it as, y + z = gxto ətz-tx > z=0 - B=0