Number sense
- Value of a digitEach digit has its place
- Numbers into digitsBig numbers in pieces
- Numbers into wordsHundreds first, then ‘and’, then the tens and ones
- Reading the number lineWhat is one small mark worth?
- Marking on the number lineFirst find the number before it
- Dot problems with plusCalculate back from the answer
- Dot problems with minusFind the difference or add
- Dot problems with timesDivide the answer by the known number
- Rounding to ten, hundred, thousandLook at the digit to the right of it
- Order of operationsBrackets, powers, times and divide, then plus and minus
- Divisibility rulesHandy divisibility rules
- Prime numbers to 100Only divisible by 1 and itself
- Negative numbers: plus and minusMove along the number line
- Negative numbers: times and divideTwo of the same signs is plus
- Value of a digit after the decimalAfter the decimal: tenths, hundredths, thousandths
- Rounding to decimal placesLook at the next digit