Sam received 87 dollars for his birthday. He went to a sporting goods store and bought a baseball glove, baseball, and bat. He had 10 dollars left over, how much did he spent on the baseball gear?
4 Answers
Explanation:
$77
Explanation:
This can be solved by
color(blue)"subtracting" 10 from 87That is 87 - 10 = 77
or by
color(blue)"counting on" from 10 to 87
10to20=color(red)(10)
20to30=color(red)(10)
30to40=color(red)(10)
40to50=color(red)(10)
50to60=color(red)(10)
60to70=color(red)(10)
70to80=color(red)(10)
80to87=color(red)(7) Total spent is then
= color(red)(10+10+10+10+10+10+10+7)=$77
He spent $77
Explanation:
Although the calculation is very easy, the purpose of this type of question is to be able to interpret 'word sums' and decide on a correct operation.
We are actually looking for "THE DIFFERENCE" between the amount of money he started with and the amount he had at the end.
"DIFFERENCE" means subtract.
He spent $77.
A slightly different way of dealing with subtraction.
Explanation:
Received
But
After spending some money he had