Math Facts

Multiplication

100

any number times 0 is

0

200

any number times 1 is

the same number

300

using two hands and fingers to solve a certain number, Finger trick.

What is the 9's trick

400

strategy to solve multiplication using squares and breaking down each number, multiplying against the squares and adding the totals

What is multiplication squares

500

columns and rows

Rows and Arrays 

division

100

81/ (?)=9

9

200

15/3=

5

300

49=7/(?)

7

400

110/10

11

500

62/6=

7

Place value

100

1,347,864 Round to the nearest hundreds place

1,347,900

200

145,628,993 Round to the nearest hundred thousand 

145,600,000

300

879,567,123,987 round to the nearest round to nearest ten million.

880,000,000,000

400

9,999 Round to the nearest thousands place

What is 10,000

500

5,000,000 100,000 + 70,000+ 6,000+ 900+80+6 is what form, and answer equation in standard form.

(Two Answers)

Expanded form

5,176,986

Estimation

100

Designing a house on blueprints, should you estimate or solve exactly.

what is solve exactly

200

calculating mileage for a trip can be estimated or exact calculation

what is estimation

300

9,654,831,123 Round to the nearest millions place 

9,655,000,000

400

large distances like in stars from solar system to solar system

what is estimation

500

one event that estimation will not work for

IE Need exact distances.

inverse operation

100

7+( )=11

11-7=4

200

( ) - 12= 35

35+12=47

300

7 X ( ) = 56

56-7=8

400

 ( ) /3=5

5 x 3=15

500

Addison and Subtraction

Multiplication and Division 

inverse operation groups.