** I ** *** I Round any number to the nearest 10, 100 or 1000 * G Solve number and practical problems that involve all of the above and with increasingly large positive numbers Read Roman numerals to 100 (I to C) and know that over time, the numeral system changed to include the concept of zero and place value Add and subtract numbers mentally, Add and subtract numbers with up to 4 Add and subtract whole numbers with including: digits using the formal written methods more than 4 digits, including using of columnar addition and subtraction formal written methods (columnar a three-digit number and ones where appropriate addition and subtraction) a three-digit number and tens a three-digit number and hundreds Add and subtract numbers with up to Estimate and use inverse operations to Add and subtract numbers mentally with three digits, using formal written check answers to a calculation increasingly large numbers methods of columnar addition and subtraction
** I ** *** I Round any number to the nearest 10, 100 or 1000 * G Solve number and practical problems that involve all of the above and with increasingly large positive numbers Read Roman numerals to 100 (I to C) and know that over time, the numeral system changed to include the concept of zero and place value Add and subtract numbers mentally, including: a three-digit number and ones a three-digit number and tens a three-digit number and hundreds Add and subtract numbers with up to 4 digits using the formal written methods of columnar addition and subtraction where appropriate Add and subtract whole numbers with more than 4 digits, including using formal written methods (columnar addition and subtraction) Add and subtract numbers with up to three digits, using formal written methods of columnar addition and subtraction Estimate and use inverse operations to check answers to a calculation Add and subtract numbers mentally with increasingly large numbers