3
The numbers 6 to 9
Joyful Mathematics: Chapter 3
GoalCount groups of 6 to 9 things and write the numbers 6 to 9.
New words
six, seven · the names of 6 and 7eight, nine · the names of 8 and 9match · join a number to the group it names
Explanation
We write 6, 7, 8 and 9 in the same way. First count. Then write the number. The number 6 has its round part at the bottom. The number 9 has its round part at the top. The number 8 is made of two circles. Match each group to its number.
Worked examples
6 elephants. We write 6.
7 stars. We write 7.
9 lotus flowers. We write 9. The round part of 9 is at the top.
Class activity
Number cards. Cut 9 small cards. Write the numbers 1 to 9 on them. Draw that many dots on each card. Mix them up and put them in order. Then take away one card and ask a friend which number is missing.
Practice
1
Count and write the number.
8.
2
Count and write the number.
6.
3
Count and write the number.
7.
4
Which number has its round part at the top: 6 or 9?
9.
5
What number is 1 less than 9?
8.