Place Value
Rounding Decimals
Comparing Decimals
Powers of Ten
Place Value Forms
100

This is the value of the digit 4 in the number 52.406.


What is 0.4?

100

This is the whole number you get when rounding 6.84 to the nearest whole number.

What is 7?

100

This catchy phrase helps you remember how to round numbers correctly.

What is “Five or more, raise the score. Four or less, let it rest”?

100

This number tells you how many times to multiply a base number by itself.

What is the exponent?

100

These are the two ways you can write a number when showing it in expanded form.

What are adding fractions and adding decimals?

200

This is what a digit’s place determines in a number.

What is its value?

200

This is the value you get when rounding 3.276 to the nearest tenth.

What is 3.3?

200

This comparison symbol shows the correct relationship between 3.207 and 3.27.

What is 3.207 < 3.27?

200

When you multiply this decimal, 3.2, first by 10 and then by 100, these are the two products you get.

What are 32 and 320?

200

This is how you write the number 347.392 in word form.

What is three hundred forty-seven and three hundred ninety-two thousandths?

300

This is the word you must use instead of “point” when reading or writing a decimal in word form.

What is “and”?

300

These are the two rounded values of 45.678 — one rounded to the nearest whole number and the other to the nearest tenth.

What are 46 and 45.7?

300

This symbol correctly compares 0.6 and 0.59 by showing which number is greater.

What is 0.6 > 0.59?

300

When you multiply 852 by 10 squared, this is the product you get.

What is 85,200?

300

This is how you write 4.206 in expanded form for each place value.

What is (4 × 1) + (2 × 0.1) + (0 × 0.01) + (6 × 0.001)?

400

This is the amount of money you have if you tell the cashier you have “ten and fifty-three hundredths” of a dollar.

What is $10.53?

400

This is the number you get when rounding 9.995 to the nearest hundredth.

What is 10.00?

400

This is the name of a mathematical sentence that uses symbols like >, <, or =.

What is an inequality?

400

When you multiply 3.1 by 10 to the fourth power, this is the product you get.

What is 31,000?

400

Write this number in standard form: seven hundred twenty-three and fifty-four thousandths.

What is 723.054?

500

This four-digit number has 7 in the thousands place, 2 in the hundreds, 0 in the tens, and 5 in the ones.

What is 7,205?

500

Round these decimals to the nearest tenth and then order them from least to greatest: 5.34, 5.68, 5.29, 5.72.

What is 5.3, 5.3, 5.7, 5.7?

500

These two decimals look very similar, but one is greater. Compare 4.507 and 4.57 using >, <, or =.

What is 4.507 < 4.57?

500

This is the colossal number you get when you multiply 4.893 by 10,000.

What is 48,930?

500

Take this number: 5,307.416. Write it in words and also in expanded form.

What is five thousand three hundred seven and four hundred sixteen thousandths and (5 × 1,000) + (3 × 100) + (0 × 10) + (7 × 1) + (4 × 0.1) + (1 × 0.01) + (6 × 0.001)?

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