🎯🧠

ROUNDING TO NEAREST 10 & 100

Round numbers to the nearest 10 or 100 to simplify calculations.

L3L4L5

CS.N.3.1·Rounding natural numbers(III)CS.N.3.3·Estimating results of calculations with natural numbers(III)

Section 1 / 3

LESSONS.CONTENT.MENTALTRICKSROUNDING.S1TITLE

lessons.content.mentalTricksRounding.s1Body

Round 37 to nearest 10

137 is between 30 and 40

237 is closer to 40 (only 3 away)

3Round up: 40

= 40

Round 82 to nearest 10

182 is between 80 and 90

282 is closer to 80 (only 2 away)

3Round down: 80

= 80

LEADER TIP

Practice with a number line display. Students physically 'jump' to the nearest ten - kinaesthetic learning sticks.

BEFORE THIS LESSON, TRY

PRACTICE WITH THESE GAMES

Want more practice? Generate printable worksheets with similar problems.

CONTINUE WITH:

What would you like to share?