Prime
Number Pattern
Estimation
Fraction
Decimal
100

What is the smallest prime number?

2

100

What is the next number in the sequence: 2, 4, 6, 8, ...?

10

100

Estimate the product of 23 and 7.

160 (rounded)

100

What is 3/4 + 1/4?

1

100

What is 3.25 + 2.75?

6

200

What is the next prime number after 17?

19

200

What is the 5th term in the sequence: 1, 4, 9, 16, ...?

25
200

Round 563.82 to the nearest hundred.

600

200

Express 5/8 as a decimal

0.625

200

Subtract 1.36 from 5.25.

3.89

300

What is the prime factorization of 24?

2 3

300

What is the sum of the first 5 positive even numbers?

30

300

Subtract 298 from 500, then round the difference to the nearest hundred.

200 (rounding 202 to the nearest hundred)

300

Simplify 6/10

3/5

300

Multiply 4.5 by 3.

13.5

400

What is the sum of the first five prime numbers?

2 + 3 + 5 + 7 + 11 =28

400

What is the next number in the sequence: 3, 6, 9, 12, ...?

15

400

Divide 675 by 25, then round the quotient to the nearest whole number.

27

400

What is 2/3 of 9/10?

3/5

400

What is 1.2/0.4?

3

500

What is the largest prime factor of 100?

5

500

What is the product of the first 3 prime numbers?

30

500

Estimate the value of 0.501*20

10

500

Convert 7/20 to a percentage

35%

500

Convert 0.625 to a fraction in simplest form.

5/8