D Learning Task 2: Find the quotient. Show how the decimal point is moved in the divisor and the dividend. Check by multiplication. Write your answers in your notebook. 1. 0.03 10.40 4. 0.06 )25.17 2. 0.04 ) 30.12 5. 0.07 51.42 3. 0.05 20.23
When dividing decimals, you have to get rid of the decimal point first before you divide the dividend by the divisor. The dividend is the number to be divided and the divisor is the number by which the dividend is being divided. To get rid of the decimal point, start with the divisor. Move the decimal point to the right until you get a whole number. Then, do it also to the dividend. Move the decimal point depending on the number of moves you made with the divisor. After dividing the decimals, you can check if your answer is right by multiplication.
Answers & Comments
Answer:
1) 346.67
2) 753
3) 404.6
4) 419.5
5) 734.57
Step-by-step explanation:
Dividing Decimals
When dividing decimals, you have to get rid of the decimal point first before you divide the dividend by the divisor. The dividend is the number to be divided and the divisor is the number by which the dividend is being divided. To get rid of the decimal point, start with the divisor. Move the decimal point to the right until you get a whole number. Then, do it also to the dividend. Move the decimal point depending on the number of moves you made with the divisor. After dividing the decimals, you can check if your answer is right by multiplication.
Solution:
1) 0.03 √10.40 = 3 √1040
346.666
3 √1040000
- 9
14
- 12
20
- 18
20
- 18
20
- 18
20
- 18
2
Answer:
346.67
Checking:
346.67
× 0.03
10.4001 = 10.40 ✔
2) 0.04 √30.12 = 4 √3012
753
4 √3012
- 28
21
- 20
12
- 12
0
Answer:
753
Checking:
753
×0.04
30.12 ✔
3) 0.05 √20.23 = 5 √2023
404.6
5 √20230
- 20
2
- 0
23
- 20
30
- 30
0
Answer:
404.6
Checking:
404.6
× 0.05
20.23 ✔
4) 0.06 √25.17 = 6 √2517
419.5
6 √25170
- 24
1 1
- 6
57
- 54
30
- 30
0
Answer:
419.5
Checking:
419.5
× 0.06
25.17 ✔
5) 0.07 √51.42 = 7 √5142
734.571
7 √5142000
- 49
24
- 21
32
- 28
40
- 35
50
- 49
10
- 7
3
Answer:
734.57
Checking:
734.57
× 0.07
51.4199 = 51.42 ✔
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