Ashley's teacher asked her to bring 3 pieces of yarn, each no shorter than 0.8 m, for an art project. Ashley found a piece of old yarn at home that is 280 cm long. Does she have enough yarn to bring to school?
3 x 0.8 m = 2.4 m = 240 cm Ashley needs at least 240 cm of yarn. She has enough yarn to bring to school
The height of the tree is 4.2 m. Jack's ladder is 2.8 m tall. Jack is 179 cm tall. Compared to the tree, how much taller (measured in cm) is Jack if he is standing at the top of the ladder?
2.8 m + 179 cm – 4.2 m = 280 cm + 179 cm – 420 cm = 39 cm Jack is 39 cm taller than the tree if he is standing at the top of the ladder.
The soccer field was 10 metres long and 2500 cm long. What is the area of the soccer field?
250 m2