3rd Grade 2nd 9
Weeks Math Study Guide:
Unknown Numbers:
7 x ? = 35 36 divided ? = 6
Properties of Operation:
Commutative
Property 7 x 2= 2x7=
order does not
matter
Associative
Property (3 x 5) x 2 = 5 x (3 x 2)= order does not matter
Distributive
Property 8 x 9 =
Multiplication/Division: 7 x 7= 8 x 6
= 18 divided 2 = 48 divided 8
=
Two-Step Word Problems: Tom went to the store and bought a box of cookies that cost
$5. He also picked up a bag of apples
for $6 and a pack of meat for $9. How
much change did she get back if she paid with $40?
Patterns: Find the rule and finish the pattern.
5, 10,
15,__,___,___
2, 4, 8, 16,___ 3, 8, 13,__,__
Multiply by Multiples of 10: 40 x 8= 90 x 3= 60 x 7=
