Find the Value
256 + 123
What is 379?
True or False: 126 rounded to the nearest ten is 120.
What is false.
98 colored pencils are in a bag. Five students take 7 pencils from the bag. The number of pencils in the bag is "p". Write an equation to represent the situation.
98- (5x7)= p
389 + 415
What is 800?
True or False: 126 rounded to the nearest 100 is is 100.
What is true?
There are 43 butterflies in a net. 3 butterflies fly away and 2 more butterflies also escape. The number of butterflies left in the net is "b". Write an equation to represent the situation.
43- (3+2)= b
568-347
What is 221?
True or False: 849 rounded to the nearest 100 is 900.
What is false?
There are seats for 500 students in the gym. There are 187 students from Clare's school and 229 students from Noah's school at the performance. The number of seats is "s." Write an equation that shows how many will be left over.
500-(187+229)=s
541-228
What is 303?
True or False: 35 rounded to the nearest 10 is 0.
What is true?
There are seats for 500 students in the gym. There are 187 students from Clare's school and 229 students from Noah's school at the performance. Noah estimates that there will be about 100 empty seats. Explain why you agree or disagree with Noah.
500 seats.
187 students from Clare's school rounds to 200.
229 students from Noah's school rounds to 200.
500-400= 100 left over seats.
What is I agree with Noah because the estimate makes sense.
644-135
What is 509?
True or False: 849 rounded to the nearest 10 is 840.
What is false?
500 seats.
187 students from Clare's school rounds to 200.
229 students from Noah's school rounds to 200.
500-400= 100 left over seats.
Based on the estimates, explain why the real answer will be more or less than 100.
What is since we rounded 229 down more than than 187 was rounded up, the real answer should be a little less than 100 left over seats.