Find the years below. (а) From the present year, which year Class 6

Find the years below. (а) From the present year, which year Class 6

Question 1.

Solve these :

Solution:

8 - 13 = -5, (-8) - (13)= -21,

(-13) - (-8) = -5, (-13) + (-8) = -21,

8 + (-13) = -5, (-8) - (-13) = 5,

(13) - 8 = 5, 13 - (-8) = 21.

Question 2.

Find the years below. Class 6

(а) From the present year, which year was it 150 years ago? ________

(b) From the present year, which year was it 2200 years Ago? _________

[Hint: Recall that there was no year 0.]

(c) What will be the year 320 years after 680 BCE? ________

Solution:

(a) -150

(b) 2024 - 2200 = -176

(c) (680 - 320) - 360 BCE

Question 3.

Complete the following sequences: Class 6

(a) (- 40), (- 34), (- 28), (- 22), _, _, _

(b) 3, 4, 2, 1, 6, 0, 7, _, _

(c) _, _, 12, 6, 1, (- 3), (- 6), _, __

Solution:

(a) -16, -10, -4

(b) -1, 8, -2, 9

(c) 27, 19, 12, 6, 1, (-3), (-6), (-8), (-9), (-9)