Place Value
Estimation
Mental Math
Exponents and Square Roots
Representing Numbers
100

What is the value of the digit 7 in 47,325?

What are thousands (or 7000)?

100

Estimate 48 + 73 by rounding each number to the nearest ten.

What is 120? (50 + 70)

100

Calculate mentally: 25 x 4

What is 100?

100

What is 3²?

What is 9?

100

Write 3,500 in words.

What is three thousand five hundred?

200

In the number 583,214, which digit is in the ten-thousands place?

What is 8?
200

Estimate 397 + 31 by rounding each number to the nearest ten.

What is 430 (400 + 30)?

200
Calculate mentally: 99 + 48

What is 147?

200

Write 5 × 5 × 5 × 5 using an exponent.

What is 54?

200

Write 7,042 in expanded form.

What is 7000 + 40 + 2?

300

What number is represented by 3,000,000 + 50,000 + 800 + 2?

What is 3,050,802

300

Estimate 404 ÷ 11 using compatible numbers.

What is 40 (400 ÷ 10)?

300

Calculate mentally: 4,800 ÷ 12

What is 400?

300

What is √144?

What is 12?

300

How would I write the number 121 in exponential form?

What is 112? (11 squared)

400

In which place value is the underlined number? 


314.58598

What is thousandths?

400

Estimate 4,892 ÷ 51 using compatible numbers.

What is 100 (5000 ÷ 50)?

400

Calculate mentally: 250 × 16

What is 4000?

400

Evaluate: 22 + √81

What is 13 (4 + 9)?
400

What is 4 x 106 in standard form?

What is 4,000,000 (4 million)?

500

The digit 6 in a number has a value of 600,000. The digit 4 has a value of 4,000. What is the smallest possible number containing these digits?

What is 604,000?

500

A school has 487 students. Each student needs about $19 worth of supplies. Estimate the total cost.

What is $10,000 (500 x $20)?

500

Calculate mentally: 125 × 48

What is 6000?

500

What is the value of 3² × √64 − 10?

What is 62 (9 x 8 - 10)?

500

 A number is represented as (4 × 1,000) + (7 × 100) + (3 × 10) + (8 × 1). What is that number?

What is 4738?

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