Question

another look! frog trail is 1,976 meters long. shondra walks 43 meters of the trail each minute. about how many minutes will it take shondra to walk the trail? find compatible numbers. think of a basic fact. then use place - value patterns. 1,976÷43 2,000÷40 = 50 2,000÷40 = 50, so 1,976÷43 is about 50. it would take shondra about 50 minutes. leveled practice in 1 - 3, fill in the blanks to find the estimates. 1. 1,769÷23 1,800÷□ = □ 2. 516÷48 500÷□ = □ 3. 891÷32 □÷□ = □ in 4 - 15, estimate using compatible numbers. 4. 241÷34 5. 705÷11 6. 7,968÷22 7. 5,624÷72 8. 1,043÷23 9. 986÷12 10. 642÷94 11. 4,870÷58 12. 5,721÷79 13. 148÷51 14. 9,073÷11 15. 3,514÷58

Explanation:

Step1: Find compatible numbers for 1,769÷23

1,800÷20 = 90

Step2: Find compatible numbers for 516÷48

500÷50 = 10

Step3: Find compatible numbers for 891÷32

900÷30 = 30

Step4: For 241÷34

240÷30 = 8

Step5: For 705÷11

700÷10 = 70

Step6: For 7,968÷22

8,000÷20 = 400

Step7: For 5,624÷72

5,600÷70 = 80

Step8: For 1,043÷23

1,000÷20 = 50

Step9: For 986÷12

1,000÷10 = 100

Step10: For 642÷94

630÷90 = 7

Step11: For 4,870÷58

4,800÷60 = 80

Step12: For 5,721÷79

5,600÷80 = 70

Step13: For 148÷51

150÷50 = 3

Step14: For 9,073÷11

9,000÷10 = 900

Step15: For 3,514÷58

3,600÷60 = 60

Answer:

1. 20, 90
2. 50, 10
3. 900, 30, 30
4. 8
5. 70
6. 400
7. 80
8. 50
9. 100
10. 7
11. 80
12. 70
13. 3
14. 900
15. 60