12 Coding and algorithms
Interactive practice questions
Below is a function machine for adding thirteen.
| $\editable{}$ |  |
$+13$+13 | |
$\editable{}$ |
a
If we put $26$26 into the function machine, will we need to carry when we add the units?
Yes
A
No
B
b
If we put $18$18 into the function machine, will we need to carry when we add the units?
Yes
A
No
B
c
Which type of numbers will involve a carry when put into this function machine?
Numbers with a units digit of $8$8 only.
A
Numbers with a units digit from $0$0 to $6$6.
B
Numbers with a units digit from $7$7 to $9$9.
C
Numbers with a units digit of $6$6 only.
D
Easy
< 1min
Below is a function machine for adding seventeen.
Easy
< 1min
Below is a function machine for subtracting fourteen.
Easy
< 1min
Below is an algorithm for adding two $2$2-digit numbers together.
Easy
< 1min
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