Counting and Number Fun to 20
Year 1 Mathematics Learning numbers 1-20 Subitising and place value
What is Subitising?
Seeing 'how many' without counting Quick recognition of small groups Like seeing dots on dice instantly Helps us become faster with numbers
Subitising Challenge
Look at the dot patterns Say the number quickly No counting one by one! Can you see the groups?
Counting Forwards and Backwards
Start from any number 1-20 Count up: 1, 2, 3, 4, 5... Count down: 10, 9, 8, 7, 6... Practice makes perfect!
Te Reo Māori Numbers
{"left":"1-10: tahi, rua, toru, whā, rima, ono, whitu, waru, iwa, tekau","right":"11-20: tekau mā tahi (10 and 1), tekau mā rua (10 and 2), tekau mā toru (10 and 3)"}
10-Frame Fun
Use counters on your 10-frame Roll the dice Place that many counters Tell us what you see!
Teen Numbers: 10 and Some More
Numbers 11-19 are special They have 10 and some extra ones 17 = 10 + 7 Use your 10-frame to show this!
Let's Review!
Can you subitise up to 10? Can you count forwards and backwards to 20? Do you know teen numbers are 10 + some more? What's your favorite number and why?