The Common Core State Standards covered in Unit 3 are:

CutEye weighs 50 pounds more than Praiseworthy. Together, they weigh 130 pounds. What does Praiseworthy weigh? 
Jack has $21 more than Quartz Jackson and $48 more than Pitchpine Billy. Altogether they have $168. How much money does Jack have? 
Jack is twice as old as Constance who is 5 years older than Pearley. Sarah is 6 years older than the sum of Constance and Jack's ages. If the sum of the ages of all four people is 78, how old is Sarah? 
Four consecutive numbers add up to 1850. What is the smallest number? 
Try These! 
It takes Isaac 10 minutes to ride his bike down the hill to school and 20 minutes to ride up the hill from school. He attends school Monday through Friday. How many minutes does he spend biking to and from school in two weeks? 
It took Davina 45 minutes to clean her room How many seconds did it take her? 
One family of scrub jays inhabits about 25 acres of land. No other scrub jay families live within the area. How many acres of land do 24 families of scrub jays need? 
The 2001 record for balancing drinking glasses was 75 glasses. If the capacity of each glass was 20 fluid milliliters, how many total fluid milliliters could all of the glasses contain? 
A nursery sells plants in flats. There are 6 plants in each tray. Each flat has 6 trays. The nursery sold 18 flats on Saturday and 21 flats on Sunday. How many plants did the nursery sell in all? 
Introduction to DecimalsStart here! 

Reading and Writing Decimals 

Comparing Decimals 

Ordering Decimals 

Time to Exercise the Brain~ 

to the math sites that we love! 