Cut the knot: learn to enjoy mathematics
A math books store at a unique math study site. Shopping at the store helps maintain the site. Thank you.
Learning Math Online
Sites for teachers
Sites for parents
Terms of use
Awards
Interactive Activities

CTK Exchange
CTK Wiki Math
CTK Insights - a blog
Math Help

III Millennium Olympiad

Games & Puzzles
What Is What
Arithmetic/Algebra
Geometry
Probability
Outline Mathematics
Make an Identity
Book Reviews
Stories for Young
Eye Opener
Analog Gadgets
Inventor's Paradox
Did you know?...
Proofs
Math as Language
Things Impossible
Visual Illusions
My Logo
Math Poll
Cut The Knot!
MSET99 Talk
Other Math sites
Front Page
Movie shortcuts
Personal info
Privacy Policy

Guest book
News sites

Recommend this site

Games to relax

Sites for teachers
Sites for parents

Education & Parenting

Manifesto  |  Bookstore  |  Contents  |  Amazon store  |  Term index  |  What changed?  |  Contact  |  Recommend
RSS Feed: Recent changes at CTK

Outline Mathematics
Addition practice with numbers below 100

There are 80 oranges and 86 apples on the table so that there are fruits in all.

27 girls and 26 boys played hide-and-seek. How many children played the game? Answer: children.

In Eli's collection there are 38 small and 92 big balls. How many balls are there in Eli's collection? Answer: balls.

On a warm afternoon, 24 doves and 29 swallows perched on wires. How many birds are there? Answer: birds.

In a city parking lot there were parked 80 cars and 43 trucks. How many vehicles were in the parking lot? Answer: vehicles.


Copyright © 1996-2008 Alexander Bogomolny


Search:
Keywords:

Google
Web CTK