The numbers 15–20 and comparing numbers to 20
Answers are for parents and teachers.
1
Work out: 9 + 7, 8 + 9, 10 + 8, 9 + 9
16, 17, 18, 18
2
Put the signs: 13 ... 16; 20 ... 19; 17 ... 10 + 7
<, >, =
3
Write all the even numbers from 11 to 20.
12, 14, 16, 18, 20
4
Problem: A street has 5 lamp posts. A bench is put between each pair of posts. How many benches?
4
5
Problem: My brother is 17 and I am 7. How many years older is he?
10