Subtraction
27 - 9
18!
6 x 4
24!
52 + 76
128!
I am the combination of two or more numbers to find the total
Addition!
300+20+1
321!
186 - 95
91!
7 x 9
63!
137 + 272
409!
I am the process of taking one number away from another to find the difference.
Subtraction!
6000+900+50+4
6954!
1370-456
914!
12 x 8
96!
1072 + 149
1221!
Use me to make a close guess about something without needing an exact answer
Estimation!
9000+400+70+9
9479!
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!
14 x 16
224!
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!
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
80000+4000+500+60+7
84567!
Jenna has 481 marbles, she gives James 52 and Ella 64. How many does she have left?
365 marbles left!
18 x 18
324!
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!
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
3000000+200000+10000+5000+600+80+7
3,215,687!