Place Value with Pizazz
Rounding Roundup
Expanded Form is the Norm
Addition & Subtraction Action
Dare to Compare
It's All in Your Head
100

In the number 23,345, the first three is how many times greater than the second three?

What is 10 x greater?

100

Round 5,678,272 to the nearest thousand.

What is 5,678,000?

100

Write the expanded form of 345,082.

What is 300,000 + 40,000 + 5,000 + 80 + 2?

100

Joel's family bought two new computers on tax-free weekend.  What was the total they paid?

$2,387?

100

When Annabella rounded these heights, she got the same number for all four mountains.  When Yiqing rounded, he got the same number for three mountains and a different number for the fourth.  Explain how they can both be correct.

What is:  Annabella rounded each mountain to the ten-thousands place and got 30,000 feet for all four. Yiqing rounded to the thousands place.  He got 28,000 feet for three mountains and 29,000 feet for the other mountain.

100

You can add double-digit numbers in your head by adding the tens first, holding that in your mind, adding the ones, then putting the totals together.

Do this for 37

             + 21  

Do not write the problem on your board.  Only write the sum.

What is 58.

200

What is the place value of the 3 in 435,276?

What is the ten-thousands place?

200

Autumn sold 547 boxes of cookies.  Audrey sold 376 boxes.  Find the total of their boxes sold when rounded to the nearest tens.

What is 930 boxes?

200

True or false:  It is possible for 12,345 to be represented as 1,230 tens + 45 ones.

What is true?

200

Find the difference of these two numbers.

What is 344?

200

Rounded to the nearest hundred, this is the difference in the number of minutes read by the grade level with the highest total and the grade level with the least total.

What is 115,200 minutes?

200

You can add double-digit numbers in your head by adding the tens first, holding that in your mind, adding the ones, then putting the totals together.

Do this for 46

             + 34  

Do not write the problem on your board.  Only write the sum.

What is 80?

300

Using the digits 2, 7, 4, and 6, what is the largest number you can make that is divisible by 4?

What is 7,624?

300

Explain how to round $317,290 to the nearest ten-thousand.

What is:  Look at the place value to the right of the ten-thousands digit.  It is a 7.  This will round the 1 up to a 2 to make 320,000.

300

Figure out the value of this number:  

127 tens, 54 ones, 128 hundreds.

What is 14,124?

300

The Pyramid of Khafra, in Egypt is 448 feet tall.  If the Eiffel Tower, in France, is 615 feet taller than the pyramid, how tall is the Eiffel Tower?

What is 1,063 feet?

300

Determine <=>.  

203,140 <=> 

2,000 hundreds + 310 tens + 40 ones

What is they are equal?

300

You can add double-digit numbers in your head by adding the tens first, holding that in your mind, adding the ones, then putting the totals together.

Do this for 58

             + 26  

Do not write the problem on your board.  Only write the sum.

What is 84?

400

This is how many times greater the digit in the ten-thousands place is than the digit in the tens place in 64,537.

What is 2,000 x greater?

400

What is the largest number that will round to 125,600?

What is 125,649?

400

Write the expanded form of 218,457 using only hundreds, tens and ones.

What is 2,184 hundreds + 5 tens + 7 ones?

400

Subtract 45,589 from 120,000.

What is 74,411?

400

This is the first four months of a school's Million Minutes Reading Challenge.  Based on these numbers rounded to the nearest thousand, calculate how many more months it will take the school to finish the challenge if they read at the same pace as they have so far.

What is 5 months?  The first four months they read a total of 495,000 minutes.  In four more months, they will have read double this, which is 990,000 minutes.  They will need an additional month to reach 1,000,000.  

400

You can add double-digit numbers in your head by adding the tens first, holding that in your mind, adding the ones, then putting the totals together.

Do this for 14

             + 48  

Do not write the problem on your board.  Only write the sum.

What is 62?

500

Which place value is 10,000 times smaller than the millions place?

What is the hundreds place?

500

William and Marco raced.  William recorded a time 42.839 seconds.  Marco's time was 42.7815 seconds.  Round both of their times to the nearest tenth of a second.

What is both round to 42.8 seconds?

500

Write this number in standard form:  65 ten thousands + 182 hundreds + 3 tens + 4 ones

What is 650,000 + 18,200 + 30 + 4 = 668,234?


500

Calculate the total height of these four mountains when each is rounded to the nearest hundred.

What is 113,400?

500

These balloons' distances round to the same number when rounded to the nearest ten.  (Name all for which this is true.)

What is balloons B, C, and D all round to 6,550 kilometers?

500

You can add double-digit numbers in your head by adding the tens first, holding that in your mind, adding the ones, then putting the totals together.

Do this for 67

             + 54  

Do not write the problem on your board.  Only write the sum.

What is 121?

M
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