Unit 1: Number and place value

Tens and ones, reading and ordering numbers, adding on, taking away, skip counting and sharing.

• 1.1 2-digit numbers – Big numbers are made of tens and ones.
• 1.2 Reading and writing numbers – Numbers can be written in digits and in words.
• 1.3 Ordering numbers – Which number is bigger? Which comes first?
• 1.4 Counting on – Add by counting on from the bigger number.
• 1.5 Partitioning – Split numbers into parts to make adding easier.
• 1.6 Counting back – Take away by counting back.
• 1.7 Difference between – How many more? How many fewer?
• 1.8 Skip counting – Count in 2s, 5s and 10s – much faster!
• 1.9 Equal shares – Share so that everyone gets the same.
• 1.10 Ordinal and cardinal numbers – First, second, third – numbers that show order.
• 1.11 Odd and even – Can every number make pairs?
• 1.12 Doubles and near doubles – Two the same makes a double.
• 1.13 Estimating and rounding – A good guess is a clever start.
• 1.14 The equals sign – = means “is the same as”.
• 1.15 Arrays and times tables – Rows and columns help us count fast.