Q. Which are the Denominations of Time ?
A. 60 Seconds, or Sec. make 1 Minute, Min.

60 Minutes,

24 Hours,

7 Days,

4 Weeks

1 Hour, Hr.

1 Day, Da.

1 Week, Wk.
1 Month, Mo.

13 Months 1 day, & 6 hours, 1 common or Julian Year, Yr. Q. What is a Solar Year ?

A. According to the best Computation, a Solar Year is 365 days, 5 Hours, 48 Minutes, and 55 Seconds.

Q. How is the year divided by the Calandar ?

A. No more days than 30 hath the month of September,
The same may be said of June, April, November ;
The rest of the months have just 30 and one,
Except that short month February alone,
Which to itself claimeth just 8 and a score,
But in ev'ry leap year we give it one more.

1

11. OF MOTION.

Q. Which are the Denominations of Motion in the heavenly bodies?

A. 60 Seconds, or "I make 1 Prime Minute,'

12 Signs, or 360 Degrees, make the whole great Circle of the Zodiac.

QUESTIONS TO EXERCISE ADDITION.

1. A man was born in the year 1702, I demand when he will be 57 years of age?

2. There are 2 Numbers whose difference is 17, and the lesser Number is 44; what is the greater Number?

3. A Man borrowed a Sum of Money, and paid in Part 127. 10s. and the remainder is 17. 10s. I demand the Sum borrowed ?

4. A owes me three Guineas, B 50l. 12s. C 104l. D threescore and seventeen pounds; How much is due to me in all?

5. A, B and C bought a parcel of Goods, in the purchase of which, 4 laid out 31. B 40s. and € 20d. How much was laid out in all ?

6 A man hath 6 bags of Hops; the first weighs 2 qrs 14lb. and each of the rest weighs 14lb more; What quantity hath he in the whole ?

7 A man took an house for 12 years; and by agreement was to pay 1007 10s down: 190l 4s at the end of 6 years, and 1091 6s. at the end of 12 years. I demand the whole Sum ?

8. A Shopkeeper having opened a shop, the first week sold goods to the value of threescore pounds, the next week he took fourscore pounds but the third week he took no more than thirty shillings. How much did he receive in all ?

OF SUBTRACTION.

WHAT is the use of Subtraction ?

A. By taking a less Number from a greater, it shews the difference between both.

Q. How many sorts of Subtraction are there?
A. Two, Simple and Compound.

OF SIMPLE SUBTRACTION.

Q. What is Simple Subtraction?

A. Simple or Single Subtraction is the finding a difference between any two numbers, whose signification is the same as the difference between 6 yards and 4 yards is 2 yards.

Q. How are numbers to be placed in Subtraction?

A. With units under units, tens under tens, &c. as in addition.

Q. What rule have you for the operation of subtraction in general ?

A. When the lower number is greater than the upper, take the lower number from the number which you borrow, and to that difference add the upper number, carrying one to the next lower place.

Q. What number must you borrow when the lower number is greater?

A. The same which you stop at in addition.

Q. How do you prove Subtraction?

A. By adding the remainder and the lesser line toge ther which will always be equal to the greater line. Or, by subtracting the remainder from the greater line, and that difference will always be equal to the lesser line.

Q What is compound subtraction?

A. Compound subtraction produces a difference between two sums of divers denominations.