Numbers 18 to 20
Answers are for parents and teachers.
1
Count 18 things at home, such as beans or buttons. Make a group of 10 and a group of 8. Say: ten and eight more is eighteen.
The child counts 18 and says ten and eight more is eighteen.
2
Draw two ten-frames in your notebook. Put 19 dots on them. Then put 20 dots on two new frames. How are they different?
19 dots leave one empty square. 20 dots fill both frames.
3
Write the numerals 18, 19 and 20 two times each. Say each number as you write it.
18, 19 and 20 written twice each and said aloud.
4
Make a bar graph of your family’s favourite fruit with squares on paper. Which bar is the longest? Which is the shortest?
A correct graph with one square for each answer, and the longest and shortest bars named.
5
Count from 1 to 20 and then back from 20 to 1 while you climb stairs or walk around the room.
The child counts to 20 and back down to 1 without skipping.