HOT RODS
It is taller than the black rod, but shorter than the blue rod.
What is the brown rod?
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?
It is the undouble of 14.
What is 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 21+34.
What is 55?
Any number minus itself.
What is 0?
The sum of five of the 2's and two of the 5's.
What is 20?
It is the double of 14.
What is 28?
It is the symbol for the orange rod.
What is Fancy O?
Add this number to 75, and you will get a sum of 99.
What is 24?
Second grade has 77 students. If we remove 11 students, this will be our new total.
What is 66?
Five of the 7's.
What is 35?
It is the double of 15 and the undouble of 60.
What is 30?
A four-rod combination (same color) that equal two orange rods (or 20).
What are four yellow rods?
If Tim had 5 apples in his basket, and Sally added 12 more apples, this would be the new total.
What are 17 apples?
Five less than 10+10.
What is 15?
Two of the 7's + Two of the 8's
What is 30?
44
What is the double of 22?
What is the undouble of 88?
Add two red rods to this number, and you will get the sum of two orange rods.
What is 16?
It is sum of the number of students in 2A (22), 2B (24) and 2C (21).
What is 67?
55-44.
What is 11?
(5 x 10) + (5 x 10)
What is 100?
50
What is the double of 25?
What is the undouble of 100?