In 364, what is the value of the digit 6?
What is 60? The 6 is in the tens place.
Count on by ones: 34, 35, 36, __, __
What is 37, 38?
Choose the correct symbol: 426 __ 462
What is 426 < 462
A closed jar has about 45 marbles inside. Give a range of tens that includes the number of marbles.
Between 40 and 50
Round 42 to the nearest ten
40
A number with 5 hundreds, 2 tens, and 8 ones.
What is 528?
Count on by tens. Say the next three numbers: 120, 130, __, ___, ___.
What is 140, 150, 160?
Choose the correct symbol: 590 __ 509
What is 590 > 509. Both numbers have 5 hundreds. Compare the tens: 9 tens is greater than 0 tens.
Look quickly at the prepared card with about 86 small objects. Give a range of tens for your estimate.
A reasonable range is between 80 and 90.
Round 67 to the nearest ten
70
In 709, what digit is in the tens place? What is its value?
What is 0? Its value is 0 tens or 0.
Count back by hundreds. Say the next three numbers: 700, __, ___, ___
What is 600, 500, 400?
Put these numbers in order from least to greatest: 318, 183, 381
What is 183, 318, 381
A card represents about 245 objects. Give a range of hundreds for your estimate.
Between 200 and 300.
Round 342 to the nearest hundred
300
Write 684 as hundreds, tens, and ones. What is the value of the digit 8?
What is 600 + 80 + 4? The value of 8 is 80.
Start at 245. Count back by tens four times. What numbers do you say?
What is 235, 225, 215, 205?
Put these numbers in order from greatest to least: 705, 750, 507
What is 750, 705, 507.
A hidden collection has about 742 objects. what range is a sensible estimate: 600 to 700, 700 to 800, or 800 to 900?
700 to 800
Round 768 to the nearest hundred. What digit do you check?
800. Check the tens digit, 6, so round up.