Repaso de sumar y restar números racionales

Repaso de sumar y restar números racionales

​Mira el primer video de Youtube para repasar como sumar y restar enteros

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https://youtu.be/_BgblvF90UE

Multiple Choice

-14 + (-3)

• -17
• 11
• -11
• 17

Poll

¿Sacaste la respuesta correcta? Did you get the answer correct?

• Yes

• No, because I did the wrong sign.

• No, and I don't know what I did wrong.

• No, because I did the wrong operation (added instead of subtracted, or subtracted instead of added).

Multiple Choice

-9 + (-5)

• -14
• 14
• -4

Multiple Choice

33 - 38

• -5
• 5
• 71
• -71

Multiple Choice

-7 - (-7)

• 14
• 0
• -14
• 1

Multiple Choice

-4 - (-9) =

• 5

• -5

• 13

• -13

​Mira el primer video de Youtube para repasar como sumar y restar fracciones positivas y negativas

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https://youtu.be/UejZtfBAoko

Multiple Choice

$$-\frac{7}{10}-\frac{1}{5}$$  

• -9/10

• 9/10

• -5/10

• 5/10

Poll

¿Sacaste la respuesta correcta? Did you get the answer correct?

• Yes

• No, because I did the wrong sign.

• No, and I don't know what I did wrong.

• No, because I did the wrong operation (added instead of subtracted, or subtracted instead of added).

Multiple Choice

$$-\frac{1}{4}-\frac{2}{3}$$  

• 3/12

• -11/12

• 11/12

• 3/7

Multiple Choice

$$\frac{4}{5}+\left(-\frac{1}{5}\right)\$$  

• 3/5

• -3/5

• 1

• -1

Multiple Choice

What is -3½ - 4½=

• 7½
• 8
• -1½
• -8

Multiple Choice

Solve

• -5 and 3/4

• 5 and 3/4

• 3/4

• -3/4

​Mira el primer video de Youtube para repasar como sumar y restar fracciones positivas y negativas

​

https://youtu.be/Mcv7JkHkm9Y

Multiple Choice

-4.7 + 18.5

• 23.2
• 13.8
• -13.8
• -23.2

Multiple Choice

Subtract. 

• 11.25
• 10.85
• 10.95
• 12.25

Multiple Choice

Find  -6.23 - 7.5

• 13.73
• 1.3
• -1.2
• -13.73

Multiple Choice

-6.5 + (-0.5) 

• -7
• 7
• 6
• -6

Poll

How well do you think you understand this material/lesson?

• I totally get it, and could teach another student how to do it.

• I kind of get it, but I get confused and have a question or two.

• I mostly get it, but need my notes to help remember rules.

• I don't get it at all. I have several questions.