Lesson 21 Homework

Year 1 Homework #21

Name ________________________

1). (1 point each) Find the areas of these circles (use ):

a).

Area = _________
b).

Area = _________
c).

Area = _________

2). (1 point each) Compute the following:

a). 2² = _________

b). 3² = _________

c). 8² = _________

d). 9² = _________

e). 10² = _________

f). 12² = _________

g). 7² = _________

h). 7.1² = _________

i). 5.5² = _________

3). (2 points each) Evaluate these expressions:

a). 2.6² =

__________ b). 8.41² =

__________ c). .06² =

__________
d). 1.01² =

__________ e). 3³ =

__________ f).

__________

a). 2² = _________	b). 3² = _________	c). 8² = _________
d). 9² = _________	e). 10² = _________	f). 12² = _________
g). 7² = _________	h). 7.1² = _________	i). 5.5² = _________

a). 2.6² = __________	b). 8.41² = __________	c). .06² = __________
d). 1.01² = __________	e). 3³ = __________	f). __________