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# Day 1: Common Core 4th Grade Math: Operations and Algebraic Thinking Review

This is a review of the first domain of Operations and Algebraic Thinking.
by

## Natalie Heilman

on 28 April 2015

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#### Transcript of Day 1: Common Core 4th Grade Math: Operations and Algebraic Thinking Review

we are going to
while understanding what it means
On the first day of
Math Review,
my teacher said to me:
12 Days
of Math Review:
This is an array. We can use it to find factors.
Factor Arrays
Let's Practice!
Be a detective! Find the pattern!
Missing Numbers!
You know it! Let's show it!
Patterns...
Diagrams will Solve It!
What are Multiples Again??
The ANSWER you get when you multiply two numbers - think of skip counting!!
Are these multiples? Decide TRUE or FALSE!
You know it, now show it!
Prime or Composite
When a number has ONLY one or two factors, one and itself
PRIME
1
3
7
19
When a numbers has MORE than two factors.
COMPOSITE
4
6
10
15
Write P for Prime or C for Composite.
8
13
24
33
37
50
Are YOU up to the Challenge?
Prime or Composite CHALLENGE
PRIME
Give me three examples of PRIME numbers.
COMPOSITE
Give me three examples of COMPOSITE numbers. SHOW how you know they're composite.
Finished for the day!
Full transcript