Rounding to Nearest 10
What is 43 rounded to the nearest 10?
40
What is 82 rounded to the nearest 100?
100
What is 213 + 142?
355
What is $568 - 234$?
334
Rule: Add 5.
What is the output if the input is 7?
12
What is 87 rounded to the nearest 10?
90
What is 329 rounded to the nearest 100?
300
What is 438 + 225?
663
What is 745 - 318?
427
Rule: Subtract 8.
What is the output if the input is 20?
12
What is 142 rounded to the nearest 10?
140
What is 574 rounded to the nearest 100?
600
What is 367 + 284?
651
What is 632 - 257?
375
Inputs: 3, 6, 9
Outputs: 12, 15, 18
What is the rule?
add 9
What is 365 rounded to the nearest 10?
370
What is 850 rounded to the nearest 100?
900
What is $596 + 307$?
903
What is 500 - 236?
264
Inputs: 24, 18, 12
Outputs: 19, 13,7
What is the rule?
minus 5
What is 798 rounded to the nearest 10?
800
What is 48 rounded to the nearest 100?
0
What is $489 + 478$?
967
What is 803 - 446?
357
Inputs: 24, 18, 12
Outputs: 34, 28, 22
What is the rule?
add 10