LI: To be able to organise numbers by thinking about place value Steps to Success… Be able to explain the value of each digit in a given number (HTU) Organise numbers into different groups Begin to use thousands (ThHTU) Be able to say which number is biggest in a pair of numbers Know about tens and units

LI: I can multiply by 10 and 100 Steps to Success… Know how a number changes when it is divided by 10 or 100 Know how a number changes when we x by 10 Know how a number changes when we x by 100 Recall x facts up to 10x10 Know that HTU is important in multiplication

LI: I can find the difference between to pairs of numbers Steps to Success… Know that with multiples of 10, 100 or 1000 do not need to consider to 0 (4000- 2000 is same as 4-2 replacing the 000 after) Know that subtracting the smaller number from the larger = the difference Spot which number is the smallest of 2 numbers Subtract mentally pairs of whole numbers

LI: I can use rounding to check a calculation Steps to Success… Understand that rounding can be used to estimate Round to the nearest 100 Use rounding to check a calculation Round to the nearest 1000 Know the doubles and halves of numbers Know which numbers round up and which round down (rhyme) Round to the nearest 10

LI: I can use inverses to check a calculation Steps to Success… Use inverse operations to find a given number Know and use division as an inverse of x Know and use - is the inverse of + Understand that inverse is a way of checking

Use the inverse to check which one is wrong 75 – 25 = 50 20 – 6 = 13 128 – 21 = 107