Subtraction
Multiplication
Addition
Who am I?
Expanded Form
100

27 - 9

18!

100

6 x 7

42!

100

52 + 76

128!

100

I am the combination of two or more numbers to find the total

Addition!

100

300+20+1

321!

200

186 - 95

91!

200

9 x 9

81!

200

137 + 272

409!

200

I am the process of taking one number away from another to find the difference.

Subtraction!

200

6000+900+50+4

6954!

300

1370-456

914!

300

12 x 8

96!

300

1072 + 149

1221!

300

Use me to make a close guess about something without needing an exact answer

Estimation!

300

9000+400+70+9

9479!

400

Natalie has 127 pieces of candy, 47 are red, 32 are blue and the rest are green, How many pieces of green candy are there?

48 green pieces of candy!

400

14 x 16

224!

400

Sarah has been collecting rocks today, at school she collected 27, during recess she collected 32 and at lunch she collected 45. How many rocks did Sarah collect today?

 104 rocks!

400

Look at me closely and carefully, use me to breaking it down into its parts, to understand how it works or what it means.

Analyze

400

80000+4000+500+60+7

84567!

500

Jenna has 481 marbles, she gives James 52 and Ella 64. How many does she have left?

365 marbles left!

500

18 x 18

324!

500

A library has 89 book on Art, 150 books on Science, 230 books on History and 347 books on Math. How many books are in the library in total?

816 books!

500

I am not a random guess, I am based on what you already know or have observed. You can test me with an experiment or investigation

Hypothesis

500

3000000+200000+10000+5000+600+80+7

3,215,687!