Rounding Decimals
Halfway Point
Who Am I?
< and >
Add/Subtract Decimals
100

Round to the nearest tenth. 

16.71

What is the number 16.7?

100

What number is exactly halfway between 60 and 70?

What is the number 65?

100

I am odd, my tens digit is greater than my units digit, and I am a perfect square. 

What is the number 81?

100

Which number is bigger? 

-36 or 3.5?

What is the number 3.5? 

100

Find the sum of 12 + 24.

What is the number 36? 

200

Round to the nearest hundredth. 

216.885

What is the number 216.89?

200

What number is exactly halfway between 500 and 600?

What is the number 550?

200

All of my digits are even and they add up to ten. My units digit is greater than my tens digit.

What is the number 28?

200

Which number is bigger? 

0.99 or 0.98?

What is the number 0.99? 

200

Find the difference between 0.50 and 0.25.

What is the number 0.25? 

300

Round to the nearest tenth. 

0.09

What is the number 0.1 (or 0.10)?

300

What number is exactly halfway between 0.6 and 0.7?

What is the number 0.65?

300

My units and tens digit are the same number and they add up to 14. 

What is the number 77?

300

Which number is bigger? 

0.5 or 0.06?

What is the number 0.5? 

300

Find the sum of -12.5 and -2.4. 

What is the number -14.9? 

400

Round to the nearest hundredth. 

5.896

What is the number 5.90?

400

What number is exactly halfway between 0.006 and 0.007?

What is the number 0.0065?

400

The sum of my digits is 9, my tens digit is even, and my two digits differ by 1. 

What is the number 45? 

400

Which number is bigger? 

0.005 or 0.0012?

What is the number 0.005? 

400

Find the difference between 12.5 and 0.24.

What is the number 12.26?  

500

Round to the nearest thousandth.

6471.9846

What is the number 6471.985?

500

What number is exactly halfway between 5.246 and 5.247?

What is the number 5.2465? 

500

The sum of my digits is 18.

What is the number 99? 

500

Which number is bigger? 

14.583 or 14.5093?

What is the number 14.583? 

500

Name all that have a sum of 10.

6+4, 2.2+7.8, 4.8+5.2, 

7+2, 4.5+6.5, 2.4+7.6, 

3.9+6.1, 8.9+1.3, 3.3+6.7

What are the numbers: 

6+4, 2.2+7.8, 4.8+5.2, 2.4+7.6, 3.9+6.1, and 3.3+6.7?