Unit 3 EM Math Review

Unit 3 EM Math Review

Rules for ROUNDING

5 and higher you round up.

4 and lower you round off.

Video on rounding:

https://www.youtube.com/watch?v=eK4fZ6WLNSo

Multiple Choice

Round 536 to the nearest 10.

• 500

• 530

• 540

• 600

Multiple Choice

Round 536 to the nearest 100/

• 530

• 540

• 500

• 600

3 digit addition and subtraction

Keep your columns lined up

Remember to borrow and carry

Video for 3 digit addition

https://www.youtube.com/watch?v=9hM32lsQ4aI

Subtraction Video

https://www.youtube.com/watch?v=xZY4OMRMgSM

Graphing

Remember to read the labels

Look at the scale

Bar and Picture Graph Video

https://www.youtube.com/watch?v=yZJR2MzkBrU

On your white board identify how many of each animal there are.

Multiple Choice

How many goldfish and cats are there?

• 17

• 18

• 19

• 20

Multiple Choice

How many more dogs are there than rabbits?

• 5

• 4

• 3

• 2

Figure out the amounts for each instrument on your white board.

Multiplication Arrays

Rows go down the side

Columns go across the top

Multiplication Array Video

https://www.youtube.com/watch?v=gzFbUZ8VjEg

Multiple Choice

What equation represents this array?

• 4 x 4

• 4x5

• 4x6

• 5x4