Activity 1 Maths

In the following problems, add the two numbers using the standard form algorithm.  Then, CREATE a problem of your own and explain how you solved it step by step on your BLOG.

EXAMPLE: 235+ 386

        

+100      +10

200  +   30  +  5

300  +   80  +  6

600  +  20   +  1

         =621

123+467=
100+400=500
20+60=80
7+3=10
123+467=

142+418=
100+400=500
40+40=80
2+8=10
500+80+10

510+241=
500+200=700
10+40=50
0+1=1
700+50+1=