Year 2 Lesson 19 Homework

Name ________________________

1). (1 point each) Find the area of these circles (use A = R2):

a). radius = 5 inches

A = _______

 b). radius (R) = 9 feet

A = _______

 c). radius = 6.2 feet

A = _______
2). (1 point each) Find the number of permutations of the letters in these words:

a). CANDY

P =_______

 b). PHONY

P =_______

c). SHOE

P =_______

 d). BARKING

P =_______

3). (1 point each) Find the number of permutations of the letters in these words that have duplicated letters:
a). THESE

P =_______

 b). BOOK

P =_______

c). TOO

P =_______

 d). BOOMING

P =_______

4). (1 point each) Find the number of permutations of the letters in these words with 2 duplicated letters:
a). TOOTH

P =_______

 b). MUMU

P =_______

c). SMOOTHS

P =_______

 d). CALIFORNIA

P =_______