HOT RODS
If you add two red rods to this number, you will get the value of two orange rod.
What is 16?
I am 5 more than 15+15.
What is 35?
The sum of 1,000,000 - 0.
What is 1,000,000?
1,000,000 x 0.
What is 0?
14
What is the double of 7?
Lock-and-Key: Two outer-rods are orange; purple is the lock, and I am the key.
What is the dark-green rod?
The sum of 65+35.
What is 100?
30-15
What is 15?
The sum of five of the 2's and two of the 5's.
What is 20?
22
What is the double of 11?
What is the undouble of 44?
A four-rod combination (same color) that equal two orange rods.
What are four yellow rods?
Add this number to 75, and you will get a sum of 100.
What is 25?
Our class has 23 students. If we remove 4 students, how many students will remain?
What is 19?
Five of the 7's.
What is 35?
60
What is the double of 30?
What is the undouble of 120?
This rod is taller than black, but shorter than blue.
What is the brown rod?
The sum is 50 more than 50+50.
What is 150?
Five less than 17+13.
What is 25?
Three of the 7's + Two of the 8's
What is 37?
90
What is the double of 45?
What is the undouble of 180?
Three rods (same color) that equal 24.
What are three brown rods?
It is sum of the number of students in 2A (22), 2B (23) and 2C (24).
What is 69?
Twenty less than 60+60.
What is 100?
Ten of the 10's + Five of the 10's
What is 150?
240
Wat is the double of 120?
What is the undouble of 480?