Can you see these numbers on it marked in a line?
![](https://lh5.googleusercontent.com/jooAv-gofnVZswQg07EJmLxJjbm6G-vXmBew5WKQ6-dmDGYM4_A5Pe3J2idtlj7PAJlfu_RAwqbym4ORJrsVe2YnOvQdzcdAylZSONEt-ibQP8LExbhbEi1XriYs7ZeKQ8XjCNYR)
![](https://lh6.googleusercontent.com/uozjWsy2pCbFXVrvTferPfy1yvuHBiBoK1_moYqB39oCX5MVELjPvYimljuS5H5dt0mXVKHbuQFGVGUgi4Kt8pVClY-8KRIjUIs5G_d5z76x3W_-kzli7gqf6XrtQkhdeaN7plMS)
Now when we get sick, how do doctors measure our body temperature?
![](https://lh6.googleusercontent.com/dSRbIVif8KE7HR_QqW6Qv5EOPDapXJYGkrq9xiWeVv_l8GDklz5fUJyPhsczAFI8Qlvjn1gYaCE-1Pk7fvJRKkJjjJuLtYMcj-OuxLn4aHTotmCNCJAmQou9VcJg38CgEqPe5clH)
Using a thermometer, right?
![](https://lh3.googleusercontent.com/e16fZ7bEKd2sXOopJhaFSAOX3NGdXvto04nsuVSU87RQTwR4YxsRjmDIGSxa1_h4XmL-R4Rn-JEWTfBtAh04Kusta_DfBJHLWwspPCtDIfLfVaykuerO4FOl2k5SABrK-B_63w5X)
Now, have you ever noticed the seating arrangement in cinemas?
![](https://lh5.googleusercontent.com/Mq2uUaGL9Aqvx8lLiKEm0oIhbUU8dmzEeTX7OXQupLKjleAJ5Uj4r4UQIM--1uNAzu6w-pX7E8Q44ra9cd3EhpidTOzSNSsnHBjG11FYVAefPDFipc53-DNIGNuCrlGLXng-aRYs)
Lastly have you ever been to Tailors? Or have even seen a carpenter?
![](https://lh3.googleusercontent.com/TYzehhgriNdoAzd-dTXrlENTU10pfC0sVUHK6pzm5mYA2mubTyV9BiYGUSeaobi_hdD7hXAxC1elX41ieeI88MjNxYYZyd8-0OBTsDlliU-YZK5AwMf9sqNNG1hgWk7Ltrqv_9qR)
![](https://lh4.googleusercontent.com/ROaptp2iw7NPpTNhqqfl-_I69eGZulcD6LIbctUgGW0aeRJVbA51qTZqJmFaSHv_m5DevnYsY1GoAGxX200Ap-S5jb13cB4JznNa-G2_2yzEczQkK5JlQZB5zaX8oPyEFU1-4lic)
They have a measuring tape by which they measure.
![](https://lh3.googleusercontent.com/E0rl8-rs425ymLVGzM0K6rO9dmqJJEhNAeBvfoi5Wg3KXy3QsNOPraAsZcsPj5zzLRvjDfzgBzShd52caQBE0b9Thhjk7pXJEDc7f1LJg8aiGiwkOdHP9Q0tl_zqgJwUaVg3ySlk)
![](https://lh3.googleusercontent.com/9fW689a2-CwiVl788zmZI_QvZEMFlH55MHSx5m-brG6KYDAV64SKILsZlDJUU7FUeKq-JZ6i5VynVs58AyPw4q2rGmIvkexjpesYAuml8chK7c_oEuin3QiY6S8muKyDSojzF_If)
Are you all ready!?
![](https://lh6.googleusercontent.com/hTJm1Y2_cw1xN0qYBshoVKtI3NhLH5nLvqF8bp4XTK4NylAxKZ0BI19Eamclufhm2iKg_pisi-qyi0TKMJqY8P4EP7sXuyipT7PpxQm4nLlZxHtpSOpYqGYZxxMXPF9_y-rj8FPl)