Grade 3 math

Textbook: Math Makes Sense 3

Starts with a number
Has a general rule

Find the general rule
Example: find the general rule of the pattern 11, 16, 21, 26, ...
Describe the pattern
Example: describe the pattern 5, 9, 13, 17, ...
Answer: the pattern starts with 5 and add 4 every time
Find the 8th, 9th, 10th value in the pattern
Example: find the 9th value of the pattern 5, 9, 13, 17, ...
Find the the first number

Example: find the first value of the pattern __ , 8, 15, 22, ...

Determine if a number is part of the pattern
Example: is the number 48 part of the pattern 5, 9, 13, 17, ... ?

40, 45, 50, , ,
26, 28, 30, , ,
20, 30, 40, , ,
18, 21, 24, , ,

Textbook: Math Makes Sense 3 - Unit 1

Multiply a number by 10
Multiply a number by a multiple of 10
Multiply a two digit number by a 2 digit number
Multiply a three digit number by a 2 digit number

Dividing by	Trick
2	If the number is even, there is no remainder If the number is odd, the remainder is 1
3	Divide the sum of the digits by 3.
4	Divide the last two digits of the number by 4.
5	Find the remainder when the last digit is divided by 5
9	Divide the sum of the digits by 9.
10	The remainder is the last digit of the number.