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12.04 Solve problems using an algorithm

Interactive practice questions

Below is a function machine for adding fourteen.

         
$\editable{}$ $+14$+14 $\editable{}$
         
a

If we put $23$23 into the function machine, will we need to carry when we add the units?

Yes

A

No

B

Yes

A

No

B
b

If we put $17$17 into the function machine, will we need to carry when we add the units?

Yes

A

No

B

Yes

A

No

B
c

Which type of numbers will involve a carry when put into this function machine?

Numbers with a units digit from $0$0 to $5$5.

A

Numbers with a units digit of $3$3 only.

B

Numbers with a units digit from $6$6 to $9$9.

C

Numbers with a units digit of $7$7 only.

D

Numbers with a units digit from $0$0 to $5$5.

A

Numbers with a units digit of $3$3 only.

B

Numbers with a units digit from $6$6 to $9$9.

C

Numbers with a units digit of $7$7 only.

D
Easy
Approx 2 minutes
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Below is a function machine for adding eighteen.

Below is a function machine for subtracting seventeen.

Below is an algorithm for adding two $2$2-digit numbers together.

Outcomes

VCMNA164

Define a simple class of problems and solve them using an effective algorithm that involves a short sequence of steps and decisions

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