### fourth grade

[Multiplication]

2 digits x 2 digits

problem 50: Solar power on Swonder

Multiples of 10

problem 55: How much energy & money do new light bulbs save?

[Division]

2 digits / 2 digits

problem 50: Solar power on Swonder

### fifth grade

[Multiplication]

2 digits x 2 digits

problem 50: Solar power on Swonder

Multiples of 10

problem 55: How much energy & money do new light bulbs save?

[Division]

2 digits / 2 digits

problem 50: Solar power on Swonder