Rounding
Comparing
Vocabulary
Find the Product
Patterns
100

Round the number to its nearest tens place.

4579

4580

100

<,>,=

782,053    728,053

782,053>728,053

100

The answer to an addition problem

Sum

100

8x4

32

100

2,4,6,8,10,14,16,18

What other pattern is there besides counting or multiplying by 2s

 all even numbers

200

Round the number to the nearest hundred

4579

4600


200

<,>,=

3+4   5+2

3+4=5+2

200

The order of operations

PEMDAS

Please Excuse My Dear Aunt Sally

200

200x5

1,000

200

2,5,11,23, 51

What is the rule?

+ the next sequence number 

300

Round the number to the nearest ten thousand

44,532

40,00

300

<,>,=

7x3  6x4

7x3<6x4

21<24

300

Two numbers multiplied together to create a product

Factor pair

300

6x42

6x40=240

6x2=  +12

           252

300

5,10,15,20, 25

 The above pattern shows  _____ of 5.

multiples of 5

400

Round the number to the nearest hundred thousand 782,053

800,00

400

<,>,=

6x8   (3x8)x2

=

6x8=48

(3x8)x2

16x2=48

400

Define

Partial Product

A multiplication strategy using parts of the answer to add to the full product

400

35x62

30x60        1800

5x60            300

30x2              60

5x2                 10

                  2,170

400

30x10=300

300x100=30,000

30,000x1,000= 300,000,000

What comes next?

300,000,000x10,000= 3,000,000,000,000

500

Round to the nearest thousand

99,738

100,000

500

58x35 is = 

a. (50+30)x(8+30)x(50+5)x (8+5)

b. (50x30) + (8x30) + (50x5) + (8x5)

b. (50x30)+(8x30)+(50x5)+(8x5)

500

Define Prime Number

A number that has only one factor pair or only 2 factors, 1 and itself

500

354x6

300x6=1800

50x6     300

4x6         24

2,124

500

What are the first 5 multiples of 25?

25,50,75,100,125