Welcome to NumberSense at College Hills!

This page is our diary of how smart we are getting!

Want to learn more? Click here to go to a really good website for learning about number sense! It goes from Fourth Grade practice (usually marked with one star like this: *), to high school (marked with three stars like this: ***)

DateWhat we did 
Wednesday, 11/16/2011

Introductions and quick multiplication tricks; we did some sample quick tips: squaring numbers that end with 5, multiplying two numbers together that are pretty close; quick check.

Monday, 11/21/2011

Adding numbers in a sequence (practice here), finding the remainders of numbers divided by 2,3,4,5 and 6. Review.


Sample test 1
Monday, 11/28/2011

Roman numerals!


Sample test 2
Wednesday, 11/30/2011

Fractions and decimals!
Squares and square roots!


Sample test 3
Monday, 11/28/2011
Wednesday, 11/30/2011

Greatest Common Divisors (GCD) and Least Common Multiples (LCM)!

Monday 12/5/2011

Percents!


Practice test 1
Wednesday 12/7/2011

Exponents, and Primes & Composites!

Friday 12/9/2011

Comparing decimals and fractions!

Review of percents!


Practice test 2

Today was our "inside team" contest! Congratulations to the three students that made the team, and many thanks to the hard-working students who didn't get there this time...we all learned a lot about Number Sense, and it was a lot of fun!

Click here to find out about squaring two numbers that end with a 1, and multiplying numbers that are equal distance from a middle number!

Multiplying by numbers that are factors of 100!

Today was our Thanksgiving Lunch! Gobble, gobble!

Multiplying by numbers that are near 100!

Multiplying by Multiplying mixed numbers (numbers with fractional parts)!

Sequence of problems in the contest