Adding/Subtracting Whole Numbers
Sam has $3,264 dollars and his friend gives him $524 dollars. How much money does he have now?
He has $3,788!
Jim eats 1/5 of a pie and Jack eats 3/5 of a pie. How much pie did they eat in all?
They ate 4/5 of a pie!
Jack wants to know the cost of a TV at the store, rounded to the nearest hundred. If the TV costs $568, what would be a reasonable estimate?
A reasonable estimate would be $600!
Mike has $14,293 and spend $264 on a new chair. How much money does he have now?
He has $14,029!
Sally has 6/8 of a pie, but she eats 2/8 of it. How much pie does she have left?
She has 4/8 of the pie!
Mike is buying a new car that needs to cost about $15,000. What would be a reasonable price of the car if he is rounding to the nearest thousand?
Correct!
Jack has $10,245 but spends $9,824 on a used car. How much money does he have now?
He has $421!
Jack has 9/10 of a pizza. One friend eats 2/10 and another eats 3/10. How much of the pie has not been eaten?
4/10 of the pie has not been eaten!
Round 342,918 to the nearest 10...
342,920
4,831,187
Sally runs 2 and 2/4 miles and sally runs 3/4 of a mile. How far did they run in all?
They ran 3 and 1/4 miles!
Round to the nearest ten thousand: 2,102,938
2,100,000