Directions: Fill in the missing numbers on the number line. Use the number line to round the numbers to the nearest tens place.
1.
Round the number 64 to the nearest ten.
In between what
two numbers can
64 be found?
64 rounded to the nearest ten is
+
+
+
2. Round the number 7 to the nearestten.
In between what
two numbers can
7 be found?
7 rounded to the nearest ten is
+ +
3. Round the number 19 to the nearest ten.
In between what
two numbers can
19 be found?
19 rounded to the nearest ten is
+
+
+

1. 60 // It can be found between whole numbers 63 and 65.

2. 10 // It can be found between whole numbers 6 and 8.

3. 20 // It can be found between whole numbers 18 and 20.

Step-by-step explanation:

Rounding rules of rounding up if the next place is 5-9, or rounding down if the next place is 0-4.

5x+40

5(x + 8)

7x - 49

7(x - 7)

18x + 9

9(2x + 1)

15x - 10

5(3x - 2)

step-by-step explanation:

for number one all you have to do is factor 5 out of 5x + 40

for number 2 factor 7 out of 7x - 49

for number three factor 9 out of 18x + 9

for number four factor 5 out of 15x - 10