Find the following values without a calculator.
Give your answers in this manner. (Eg 1, 2, 3, 4)
- 9 m 1 cm = _____ cm
- 78 m 3 cm = _____ cm
- 186 cm = 1 m _____ cm
- 1991 cm = _____ m 91 cm
(a)
1 m = 100 cm
9 m 1 cm
= 900 + 1
= 901 cm
(b)
1 m = 100 cm
78 m 3 cm
= 7800 + 3
= 7803 cm
(c)
1 m = 100 cm
186 cm
= 100 + 86
= 1 m 86 cm
(d)
1 m = 100 cm
1991 cm
= 1900 + 91
= 19 m 91 cm
Answer(s): 901, 7803, 86, 19