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
b
If we put $17$17 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 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
1min
Below is a function machine for adding eighteen.
Easy
1min
Below is a function machine for subtracting seventeen.
Easy
1min
Below is an algorithm for adding two $2$2-digit numbers together.
Easy
1min
Sign up to access Practice Questions
Get full access to our content with a Mathspace account