Buzz Go the Bugs

Solution

Will’s bug has 7 legs.
Deb’s bug has 5 legs.
Omar’s bug has 10 legs.
Cam’s bug has 9 legs.

Explanation

1. This is Will’s bug:
Count the legs.
It has 7 legs.
Will's bug has five legs on one side and four on the other.

2. Find out how many legs Deb’s bug has.

Deb’s bug has 2 fewer legs than Will’s bug.   Deb's bug has three legs on one side and two on the other.
Think 7 − 2 = ? seven dots with two crossed out
7 − 2 = 5  
Deb’s bug has 5 legs. five dots

3. Find out how many legs Omar’s bug has.

Omar’s bug has double the number of legs that Deb’s bug has. Double means add the same number again.   Omar's bug has five legs on each side.
Think 5 + 5 = ? five dots, a plus sign, and five more dots
5 + 5 = 10  
Omar’s bug has 10 legs. ten dots

4. Find out how many legs Cam’s bug has.

Cam’s bug has 1 fewer leg than Omar’s bug.   Cam's bug has five legs on one side and four on the other.
Think 10 − 1 = ? ten dots with one crossed out
10 − 1 = 9  
Cam’s bug has 9 legs. nine dots


Houghton Mifflin Math Grade 1