Page 7 - ตัวอย่าง Math Solution 1
P. 7
Example 1
Write the next three numbers in the given sequences.
1) 0, -2, -4, ... 2) 4, 1, -2, -5, ...
1) Look at the number line.
Solution The next three numbers are -6, -8, and -10.
-12 -11 -10 -9 -8 -7 -6 -5 -4 -3 -2 -1 0
2) Look at the number line.
Solution The next three numbers are -8, -11, and -14.
-16 -14 -12 -10 -8 -6 -4 -2 0 2 4
Example 2
Write the next four numbers from the given conditions.
1) Start with -3 and increased by 4 units
2) Start with -7 and decreased by 3 units
1) Look at the number line.
Solution
-4 -3 -2 -1 0 1 2 3 4 5 6 7 8 9 10 11 12 13 14
The next four numbers are 1, 5, 9, and 13.
2) Look at the number line.
-22 -20 -18 -16 -14 -12 -10 -8 -6
The next four numbers are -10, -13, -16, and -19.
Unit 1 INTEGERS 11
