3.7
estimate
5 bags of balloons=???
$1.28$1.30 5x$1.00=$5.00 5 bags= $6.50 ~
5x.30=1.50
~
extended
facts
5x3=155x30=150
7x8=56700x8=5,600
factors
3.7
factor
4x5=203x8=24
7x8=56 6x7=42
factors
3.7
3.7
()
parentheses
53-(17+13)=23
(25-8)+7=27=(17-8)x3
3.7
product
3.7
similar
figures
4x5=20
7x8=56
3x8=24
6x7=42
3.7
square number
2
2
2
5x5=
25 5
=
25
6x6=36
6
=
36
7x7
=
49
7
=
49
3.7
square product
2
2
2
5x5=
25 5
=
25
6x6=36
6
=
36
7x7
=
49
7
=
49