Number sense
- Numbers in orderCompare the tens first
- Value of a digitEach digit has its place3 × 10
- Numbers into digitsBig numbers in pieces300 + 12
- Numbers into wordsHundreds first, then ‘and’, then the tens and ones64
- Reading the number lineWhat is one small mark worth?30 + 4
- Marking on the number lineFirst find the number before it27
- Dot problems with plusCalculate back from the answer27 + · = 70
- Dot problems with minusFind the difference or add85 − · = 40
- Dot problems with timesDivide the answer by the known number5 × · = 40
- Counting in big jumpsWhich digit changes with each jump?350 + 100
- Large numbers in orderCompare from left to right
- Writing millions and billionsA million has six zeros
- Rounding to ten, hundred, thousandLook at the digit to the right of it340 + 10
- EstimatingRound first, then calculate400 + 500
- Order of operationsBrackets, powers, times and divide, then plus and minus(20 − 6) × 2
- Continuing number sequencesWhat happens from one number to the next?2 · 3 · 5 · 8 · 12 · …
- Divisibility rulesHandy divisibility rules4 + 3 + 5
- Prime numbers to 100Only divisible by 1 and itself3 × 7
- Negative numbers: plus and minusMove along the number line3 + 4
- Negative numbers: times and divideTwo of the same signs is plus20 ÷ (−5)
- Value of a digit after the decimalAfter the decimal: tenths, hundredths, thousandths
- Decimals in orderMake them the same length
- Rounding to decimal placesLook at the next digit2.7 + 0.1
- Fractions and decimals in orderTurn them all into decimals