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Biblioteka

1.3 Add & Subtract Integers

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Posljednje ažuriranje almost 4 years ago
12
Napomena autora:

TEKS 7.3A

11 problems contain only integers; #12 has decimals

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Pitanje 1
1.

Pitanje 2
2.

Pitanje 3
3.

Pitanje 4
4.

Pitanje 5
5.

Pitanje 6
6.

Pitanje 7
7.

In Juneau, Alaska, the temperature was -15 \degree F in the afternoon. As a cold front approached, the temperature dropped 9 \degree F. Write a subtraction expression to determine the new temperature. Then determine and interpret the difference.

The subtraction equation - could be used to determine the new temperature.

The temperature after the cold frnt was \degree F

Drugi mogući odgovor:
-9
6
-15
9
-24
-6
24
Pitanje 8
8.

Bob owed $225 on his store credit card. He made a payment of $75, and then he spent $40 more with his credit card. Write an expression to describe the total change in the credit card balance. Then intrepret the final balance of Bob's credit card.

The expression describes the total change in the credit card balance.

This means that Bob on his credit card.

Pitanje 9
9.

Danny’s youth football team gained 5 yards on a play, lost 9 yards on the next play, then gained 3 yards on the third play. Write an addition expression to describe the total change of yardage. Then determine the sum and explain its meaning.

The expression + a total of