My maths and working out

This  is my maths We had to sole it out and show our working and then we had to put it on our blog.
I am posting this on my blog because i like my maths and the math is my be project to do.

WALHT use place value and grouping to solve problems.

Show your working in the boxes below.

	Strategy 1	Strategy 2	Strategy 3
87 - 23 =	80-20=60 7-3=4 64	87-20=67 -3=64	7-3=4 80-20=60 64
46 + 29 =	40 + 20=60 6+9=15 60 +15=75	46+20=66 +9=75	6+9=15 40+20=60 =75
78 - 56 =22	70-50=20 8-6=2 20-2=18	78-50=12 -3=18	8-6=2 50-70=20 22
89 + 76 =165	80+70=150 9+6=15 150+15=165	89+70=159 +6=165	9+6=15 80+70=150 150+15=165