maths

maths

lol maths

Walt:solve addition and subtraction using place value partitioning

772+638=1410
30+70=100
700+600=1300
1300+100+10=1410

8487+3483
8000+3000=1100
400+300=70

                                                                                                         

357-269
300-200=100
150 - 60 = 90
97 - 9 = 88

861-377
800 - 300 = 500
560 - 70 = 490
491 - 7 = 484

Walt:we are learning addition

 Walt:we are learning addition
1.1257+6273
1000+6000=7000
200+200=400
50+70=120
7+3=10

7000+400+120+10=7530

2. 2314+4361=
2000+4000=6000
300+300=600
10+60=70
4+1=5
6000+600+70+5=6675

3.234 -334=100
200-300=100
30-30=0
4-4=0

4.248-782=546
200-700=500
40 -80=40
8-2=6
500-40-6=546