Looking at the ninth bar and ruler, I can see that the bar starts at the 8 cm mark and ends exactly at the 12 cm mark. To find the length of the bar, I need to subtract the starting position from the ending position: 12 cm - 8 cm = 4 cm. So the length of the ninth bar is 4 cm.
Now let me examine the tenth bar and ruler.
Looking at the tenth bar and ruler, I can see that the bar starts at the 9 cm mark and ends exactly at the 10.5 cm mark (halfway between 10 and 11). To find the length of the bar, I need to subtract the starting position from the ending position: 10.5 cm - 9 cm = 1.5 cm. So the length of the tenth bar is 1.5 cm.
Here are the final answers for each bar:
1. 11.5 cm
2. 12.5 cm
3. 6.5 cm
4. 5 cm
5. 10 cm
6. 11 cm
7. 3 cm
8. 13 cm
9. 4 cm
10. 1.5 cm
Parent Tip: Review the logic above to help your child master the concept of measure in centimeters worksheet.