Rational number operations and Scale drawings

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Franklin withdrew $45 total from his savings account in 3 equal withdrawals of $15 each.

Front

Simplify: -17.5 + 9.3 + -2

Back

-10.2

Front

Which real life situation represents: 3 - (4)  Options: It was extremely cold one day. The temperature rose 3 degrees and then dropped 4 more degrees., It was extremely cold one day. The temperature was 3 degrees and then it went up 4 more degrees., It was extremely cold one day. The temperature dropped 3 degrees and then it dropped another 4 degrees., It was extremely cold one day. The temperature dropped 3 degrees and then rose 4 degrees.

Back

It was extremely cold one day. The temperature rose 3 degrees and then dropped 4 more degrees.

Front

A tree casts a shadow 10 ft. long. A boy standing next to the tree casts a shadow 2.5 ft. long. The triangle shown for the tree and its shadow is similar to the triangle shown for the boy and his shadow. If the boy is 5 ft. tall, how tall is the tree?

Back

20 feet

Front

Which addition problem is modeled by the number line? Options: 5 + -3, -5 + 3, -5 + 6, 5 + 3

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-5 + 3

Front

Which equation is modeled on the number line? Options: 3 – 11 = –8, 11 + 3 = 13, –8 + 3 = 11, –8 + 11 = 3

Back

–8 + 11 = 3

Front

Which statement best models the expression -8 + 8?

Back

A car backed up 8 feet and then moved forward 8 feet.

Front

Which real life situation represents the expression -5 + 5?
Options:
1. It was extremely cold one day. The temperature was 5 degrees above zero and then it went up 5 more degrees.
2. It was extremely cold one day. The temperature dropped 5 degrees and then it dropped another 5 degrees.
3. It was extremely cold one day. The temperature went up 5 degrees and then went up 5 more degrees.
4. It was extremely cold one day. The temperature was 5 degrees below zero and then it went up 5 degrees.

Back

It was extremely cold one day. The temperature was 5 degrees below zero and then it went up 5 degrees.

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