Directed Numbers

UK Secondary (7-11)

Solve problems involving 4 operations

Let $a$`a` be a positive number and $b$`b` a negative number.

a

Will $a+a$`a`+`a` be a positive number, a negative number or zero?

Zero

A

Positive

B

Negative

C

Zero

A

Positive

B

Negative

C

b

Will $b+b$`b`+`b` be a positive number, a negative number or zero?

Positive

A

Zero

B

Negative

C

Positive

A

Zero

B

Negative

C

Easy

Less than a minute

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