Purpose:
You can help your child to count in decimal number sequences.
What you need:
Pen and paper
What to do:
Write a decimal number with 2 decimal places. For example 23.21
Name the decimal one tenth more than that number. Write the next five decimal numbers in order.
For example: 23.21 23.31 23.41 23.51 23.61 23.71
Ask your child to write a decimal number with 2 decimal places. For example 35.67
Take turns to name the decimal one hundredth more than that number. For example: 35.68
Have 3 or 4 turns each.
Ask your child to write another decimal number with 2 decimal places. For example: 45.32
Take turns to name the decimal one hundredth less than that number. For example 45.31
Have 3 or 4 turns each.
What to expect your child to do:
To be able to count forwards and backwards in decimal number sequences.
Variations:
Extend the activity by asking your child to write a decimal with 3 decimal places and count forwards and backwards in hundredths or thousandths.
He Kupu Māori:
| tenths | hautekau |
| hundredths | haurau |
| decimal places | mati ā-ira |
| decimal number | tau ā-ira |
| thousandths | haumano |
He Whakawhitinga Kōrero:
- Tuhia he tau kia rua ōna mati ā-ira. (Write a number with two decimal places.)
- He aha te tau kotahi haurau te rahinga ake? (What is the number that is bigger by one hundredth?)
- He aha te tau kotahi hautekau te itinga iho? (What is the number that is one tenth smaller?)
- Tatauria whakamua ngā haurau. (Count forwards in hundredths.)
- Tatauria whakamuri ngā haumano. (Count backwards in thousandths.)
Download a file of this activity:
PDF (253KB)