2. Addition and subtraction
Interactive practice questions
Let’s find the value of $309+501$309+501, by partitioning the numbers.
a
Fill in the box with the missing number.
$309=300+\editable{}$309=300+
b
Fill in the box with the missing number.
$501=\editable{}+1$501=+1
c
Find the value of $309+501$309+501.
Easy
1min
Let’s find the value of $3005+6005$3005+6005, by partitioning the numbers.
Easy
< 1min
Find the value of $550+150$550+150.
Easy
< 1min
Find the value of $225+125$225+125.
Easy
< 1min
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