Solution:
10.06 – 0.08 = 9.98
Therefore, 10.06 – 0.08 = 9.98.
or
1006/100 – 8/100 = 998/100 = 9.98
Therefore, 10.06 – 0.08 = 9.98.
Question 2
What number is halfway between 2.9 and 2.99?
Solution:
2.9 + 2.99 = 5.89
5.89/2 = 2.945
Therefore, the number halfway between 2.9 and 2.99 is 2.945.
Question 3
If these fraction were ordered from smallest to largest, which fraction would be in the 4th position?
3/8 1/6 2/7 1/3 4/9
Solution:
To compare the following, denominator should be same.
Denominator= LCM of 6,7,8,3,9 = 504
3/8 = 189/504
1/6 = 84/504
2/7 = 144/504
1/3 = 168/504
4/9 = 224/504
Arranging the above in ascending order
1/6, 2/7, 1/3, 3/8, 4/9
Therefore, the fraction in the 4th position is 3/8.
Question 4
180 students are asked how they travel to school.
45% say they travel to school by car.
One sixth say they walk to school.
The rest travel by bus.
How many students travel by bus?
Solution:
45% of 180 students travel by car.
45/100 x 180 = 81 students travel by car.
1/6 of 180 students walk to school.
1/6 x 180 = 30 students walk to school.
The rest travel by bus.
180 – 81 – 30 = 69 students travel by bus.
Therefore, 69 students travel by bus.
Question 5
Replace the question mark with a suitable number in this grid.
Solution:
64 ÷ 8 = 8
18 ÷ 2 = 9
1 ÷ 1 = 1
Therefore, the missing number is 9.
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