Going Negative
Place Value
Linear or Not?
Fractions
Potpourri
100

What is −3 + 7?

4

100

In the number 7,482, what is the value of the digit 8?

80

100

What number comes next: 4, 8, 12, 16, …?

20

100

What is one half of 24?

12

100

How many sides does a hexagon have?

6

200

What is −12 − 5?

-17

200

Round 3,647 to the nearest hundred.

3,600

200

Count back in steps of 25 starting from 300. What is the third number you say?

225

200

Simplify the fraction 12/20.

3/5

200

A week has 168 hours. How many hours are in 2 weeks?

336 hours

300

Put these numbers in order from least to greatest: −4, 6, 0, −1.

-4, -1, 0, 6

300

Write 48,006 in words.

Forty-eight thousand and six

300

Spot the pattern: 2, 4, 8, 16, … What is the rule?

Multiply by 2 each time

300

Write 0.75 as a fraction in simplest form.

3/4

300

I am an odd number. Take away one letter and I become even. What number am I?

Seven

400

The temperature was 5°C in the morning. By night it dropped 12 degrees. What is the temperature now?

−7°C

400

Which is greater: 12.09 or 12.9?

12.9

400

A sequence goes: 100, 97, 94, 91, … What is the 7th number?

82

400

Add: 2/5 + 3/10.

7/10

400

If yesterday’s tomorrow is Saturday, what day is today?

Friday

500

I am a number. When you add me to −15, the result is −3. What number am I?

12

500

I am thinking of a 4-digit number. When rounded to the nearest thousand, I become 5,000. When rounded to the nearest hundred, I become 4,700. What number could I be?

4,650–4,749

500

A snail climbs 5 cm up a wall each day but slips 2 cm back each night. How far does it climb in 4 days?

12 cm

500

A recipe needs 2/3 of a cup of sugar. You only have a 1/6 cup scoop. How many scoops do you need?

4 scoops

500

You have 3 boxes: one with apples, one with oranges, one with both. All labels are wrong. How can you figure out the correct labels by taking out just one fruit?

Pick from the box labeled “Apples and Oranges.” Whatever you get tells you what’s in that box. Then you can fix the other two.