Place value · Grade 1
In Grade 1 you learn: reading and writing numbers to 100; tens and ones.
In our number system the same digit is worth different amounts depending on its place: in 77 the first 7 is worth 70 and the last is worth 7. Ten ones make one ten, so 34 is 3 tens and 4 ones.
Key facts
- To compare, line up the places and compare from the left.