Show:
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2
3
4
5
100
5. 13 x 90=_________
What is 1,170?
100
4. 18 x 50=_________
What is 900?
100
Find the product of: 3. 25 x 10=_________
What is 250?
100
2. What is the first step in estimating 46 x 47 (MCC4.NBT.5)____________________________________________________________________________________________________________________________________________________________________________
What is What is "Round the numbers or find compatible numbers."
100
1. Explain how to find 30 x 60 using mental math (MCC4.NBT.5)__________________________________________________________________________________________________________________________________________
What is "What is Think of 60 as 6 tens. 30 times 6 tens is 180 tens. 180 tens = 1,800?"
200
Which shows a way to find 25 x 42? (MCC4.NBT.5) A. (20 x 5) + (20 x 40) + (40 x 40) + (2 x 2) B. (2 x 40) + (20 x 20) + (40 x 2) + (2 x 5) C. (20 x 40) + (20 x 2) + (40 x 5) + (5 x 2) D. (20 x 30) + (5 x 2) + (20 x 40) + (2 x 2)
What is C?
200
Oscar wrote the following on the board. What is the unknown number? 60 x 50 = 60 x (5 x 10) = (60 x 5) x 10 = ? x 10 = 3,000
What is 300?
200
18. Mrs. Ward’s class is taking a taking a field trip to Savannah. The trip will cost $48 for each student. There are 27 students in her class. Which is the best estimate for the cost of the students’ field trip? (MCC4.NBT.5) A. $800 B. $1,500 C. $1,800 D. $80
What is B. $1,500?
200
Estimate. Then find the product. 17. 50 x 62=___________ _________
What is 50 x 60=3,000 and 3,100?
200
Estimate. Then find the product. 16. 74 x $35=__________ _________
What is 70 x 40=2,800 and 2,590?
300
Estimate: 11. 23 x 35=_________
What is 20 x 40=800
300
Estimate: 12. 56 x 35=_________
What is 60 x 40=2,400
300
Estimate: 13. 35 x $88=________
What is 40 x 90= 3,600?
300
Estimate then find the product : 14. 72 x 27=_________
What is 70 x 30=2,100 and 1,944?
300
Estimate. Then find the product. 15. 24 x 81=___________ _________
What is 20 x 80=1,600 and 1,944?
400
Estimate: 10. 17 x $59=________
What is 20 x 50=1,000
400
Estimate: 9. 91 x 49=_________
What is 4,500?
400
8. 20 x 30=_________
What is 600?
400
7. 68 x 20=_________
What is 1,360?
400
6. 80 x 60=_________
What is 4,800?
500
A grocery store ordered 18 cases of soft drinks with 24 bottles in each case. Ten of the cases were Dr.Pepper with 24 bottles in each case, the rest were Sprite. How many bottles of soft drinks was Sprite? Using a complete sentence, explain what you need to find?
I need to find out how many soft drinks were Sprite.
500
Take your work a step further!!! How many more bottles of Dr. Pepper were ordered than Sprite? Show your work and explain your reasoning clearly using complete sentences. Next, I found the number of bottles of Dr. Pepper ordered by ______________________. Last, I drew a ________________that helped me visualize my problem so that I understood that I needed to __________________ to find the bottles of Sprite ordered.
What is "multiplying," "bar model," and "subtract?"
500
Take your work a step further!!! How many more bottles of Dr. Pepper were ordered than Sprite? Show your work and explain your reasoning clearly using complete sentences. First, I found the total number of bottles ordered by ________________________.
What is multiplying?
500
Draw a diagram (hint: maybe a bar model) to find the total number of bottles and number of cans of Dr.Pepper, in order to find how many cans of Sprite were ordered. Show your work. (Hint: There are 3 steps in this multi-step word problem.)
What is 18 x 24=432 bottles in all. 240 bottles were Dr. Pepper. 192 were Sprite.
500
So, the grocery store ordered ______ bottles of Sprite. ***I took my work a step further and _______________ to find that there were _________more bottle of Dr.Pepper than Sprite.
What is "192" and "subtracted" and "48?"