Addition within 10 000

2.1

Addition within 10 000

There are various methods to solve suitable addition operations for numbers up to 10 000

Using an abacus
Using common forms

Examples of questions and solutions to addition operations

Birds	1 382
Elephants	6
Crocodiles	15
Monkeys	104

The table above shows the number of animals in a zoo. How many birds and monkeys are there?

Mathematical sentences: \(1\,382\space+\space104\space=\space\underline{\quad\quad}\)

Using an abacus

Using common forms

\(\begin{array} {rr} \quad \\1\,\space\space3\space8\space2 \\+\quad\space\space\space1\space0\space4 \\\hline\space1\,\space\space4\space8\space2 \\\hline \end{array} \)

When 0 is added to any number, the answer is the number itself