8. Write the numbers that are shown on each of these abacuses. U 1
10
100 U 1 1
10
100 U 1 1
10
100 U 1 1
10
100 U 1 1
1 10 100
1.87 9. Write down the decimal fraction equivalent of:
a) two units, three tenths and five hundredths b) six units, one tenth and three hundredths c) one unit and three hundredths d) seven units and nine hundredths e) three units, five tenths and four hundredths f)
four units, six tenths and five hundredths
g) five tenths and six hundredths h) five units, six tenths and three hundredths
Number Lines Find the Value
a) The abacus shows the number 2.45. What is the value of the 4? As 4 is on the tenths arm it has the value 4
–– 10 or 0.4.
What is the value of 5? As 5 is on the hundredths arm it has the value 5
b) What is the value of the underlined numbers? 3.45 = 3 units 2.67 = 0.6 or 6 7.78 = 0.08 or 8