Lucas had 2.3 pounds of grapes left over from his class party. The class ate 1.9 pounds of the grapes. How many pounds of grapes did Lucas buy? Use models to find the sum.
4.2 pounds
20
Janice wanted to download the following items for her cell phone: A ringtone for $3.10, a picture for $1.95 and a game for $2.05. She has $8. Not including tax, does Janice have enough money to buy all three items? Explain.
yes; The total cost for the three items would be $7.10.
25
Add. 0.51 + 0.63 = ____
1.14
15
Add. 1.93 + 1.73 = ____
3.66
15
Norah wants to download two different applications on her cell phone. One used 2.42 megabytes and the other one used 1.76 megabytes. How many total megabytes of memory will Norah use to download the two applications? Draw decimals models to
4.18 megabytes
20
Write a real-world problem that can be solved by adding 1.39 and 2.45 using decimal models. Then solve.
The cost of a drink is $1.39. The cost of a bag of pretzels is $2.45. What is the total cost for both items?; $3.84
25
Dorian feeds his dog 7.5 pounds of food in a week. He feeds his cat 3.75 pounds of food in a week. How many total pounds of food do his pets eat in a week? Draw decimal models to find the sum.
D) 11.25 pounds
20
Add. 4.1 + 2.95
7.05
20
Add. Check for reasonableness. 19 + 37.2
56.2
20
Add. Check for reasonableness. 9.5 + 0.37
9.87
20
Add. Check for reasonableness. $1.72 + $3.06 = _____