Addition
17+18=35
Addition combines two quantities into a total. Here you add 17 and 18 by summing ones and tens, which gives 35. Line the numbers up by place value and carry when a column exceeds nine.
Addition
Addition combines two quantities into a total. Here you add 17 and 18 by summing ones and tens, which gives 35. Line the numbers up by place value and carry when a column exceeds nine.