I am feeling very hyped about taking part in cultural activities at
school this term.
Problem
|
Strategy
|
Answer
|
1.53x2=
|
50x2=100
3x2=6
100+6=106
|
106
|
2.64x4=
|
60x4=240
Add the zero
6x4=240
4x4=16
240+16=256
|
256
|
3.6559-2342=
|
6000-2000=4000
500-300=200
50-40=10
9-2=7
4000+200+10+7=4217
|
4217
|
Problem
|
Strategy
|
Answer
|
1.551+351=
|
500+300=800
50+50=100
1+1=2
800+100+2=902
|
902
|
2.154+992=
|
100+900=1000
50+90=140
4+2=6
1000+140+6=1146
|
1146
|
3.3798+2545=
|
3000+2000=5000
700+500=1200
90+40=130
8+5=13
5000+1200+130+13=6343
|
6343
|