Rounding-Off

When rounding off to the nearest Tens, the two closest Tens are called 'benchmarks'.

• true

• false

If the digit in the Ones is equal to or bigger than 5, we round up to the next 10.

• true

• false

Round off the number 45 to the nearest 10.

• 40

• 45

• 50

The midpoint between 120 and 130 is 135.

• True

• false

What is the midpoint between 250 and 260?

• 265

• 250

• 255

Round-odd 578 to the nearest 10.

• 600

• 500

• 580

• 575

Round-off 4 to the nearest Ten.

• 0

• 5

• 40

• 1

Round off 999 to the nearest 10.

• 900

• 1000

• 100

• 990

Round the number 142 to the nearest 10.

• 140

• 145

• 150

Round 409 to the nearest 10.

• 400

• 410

• 420