# EXAMPLE 2 Subtracting Whole Numbers To find the difference of and, you line up the numbers on the ones’ place. Next you subtract the ones, then the tens,

## Presentation on theme: "EXAMPLE 2 Subtracting Whole Numbers To find the difference of and, you line up the numbers on the ones’ place. Next you subtract the ones, then the tens,"— Presentation transcript:

1 EXAMPLE 2 Subtracting Whole Numbers To find the difference of and, you line up the numbers on the ones’ place. Next you subtract the ones, then the tens, and so on

2 EXAMPLE 2 Subtracting Whole Numbers To find the difference of and, you line up the numbers on the ones’ place. Next you subtract the ones, then the tens, and so on

3 EXAMPLE 2 Subtracting Whole Numbers To find the difference of and, you line up the numbers on the ones’ place. Next you subtract the ones, then the tens, and so on. You need more ones to subtract 6, so regroup =

4 EXAMPLE 2 Subtracting Whole Numbers 8 You need more ones to subtract 6, so regroup. To find the difference of and, you line up the numbers on the ones’ place. Next you subtract the ones, then the tens, and so on. 204=

5 EXAMPLE 2 Subtracting Whole Numbers You need more ones to subtract 6, so regroup. To find the difference of and, you line up the numbers on the ones’ place. Next you subtract the ones, then the tens, and so on. 204=

6 EXAMPLE 2 Subtracting Whole Numbers You need more ones to subtract 6, so regroup. To find the difference of and, you line up the numbers on the ones’ place. Next you subtract the ones, then the tens, and so on =

7 Music Lessons Your music lessons cost \$25 per week. How much will you pay for 12 weeks of lessons? EXAMPLE 3 Multiplying Whole Numbers SOLUTION You need to find the product 25 12

8 Music Lessons Your music lessons cost \$25 per week. How much will you pay for 12 weeks of lessons? SOLUTION You need to find the product EXAMPLE 3 Multiplying Whole Numbers

9 Music Lessons Your music lessons cost \$25 per week. How much will you pay for 12 weeks of lessons? SOLUTION You need to find the product EXAMPLE 3 Multiplying Whole Numbers First multiply 25 by the ones’ digit,

10 Music Lessons Your music lessons cost \$25 per week. How much will you pay for 12 weeks of lessons? SOLUTION You need to find the product EXAMPLE 3 Multiplying Whole Numbers First multiply 25 by the ones’ digit,

11 Music Lessons Your music lessons cost \$25 per week. How much will you pay for 12 weeks of lessons? SOLUTION You need to find the product EXAMPLE 3 Multiplying Whole Numbers First multiply 25 by the ones’ digit, 2. Then multiply 25 by the tens’ digit,

12 Music Lessons Your music lessons cost \$25 per week. How much will you pay for 12 weeks of lessons? SOLUTION You need to find the product EXAMPLE 3 Multiplying Whole Numbers Start the partial product for the tens’ digit in the tens’ column First multiply 25 by the ones’ digit, Then multiply 25 by the tens’ digit,

13 Music Lessons Your music lessons cost \$25 per week. How much will you pay for 12 weeks of lessons? Start the partial product for the tens’ digit in the tens’ column. SOLUTION You need to find the product EXAMPLE 3 Multiplying Whole Numbers First multiply 25 by the ones’ digit, Then multiply 25 by the tens’ digit, Add the partial products

14 Music Lessons Your music lessons cost \$25 per week. How much will you pay for 12 weeks of lessons? Start the partial product for the tens’ digit in the tens’ column. SOLUTION You need to find the product EXAMPLE 3 Multiplying Whole Numbers ANSWER You will pay \$300 for 12 weeks of music lessons First multiply 25 by the ones’ digit, Then multiply 25 by the tens’ digit, Add the partial products.

15 EXAMPLE 4 Dividing Whole Numbers To find the quotient of and, you use long division. The dividend is and the divisor is

16 EXAMPLE 4 Dividing Whole Numbers To find the quotient of and, you use long division. The dividend is and the divisor is ) 7

17 EXAMPLE 4 Dividing Whole Numbers To find the quotient of and, you use long division. The dividend is and the divisor is ) 7 Divide 59 by 7, because 7 is more than 5.

18 EXAMPLE 4 Align the 8 in the tens’ column. Dividing Whole Numbers To find the quotient of and, you use long division. The dividend is and the divisor is ) 7 8 Divide 59 by 7, because 7 is more than 5.

19 EXAMPLE 4 Align the 8 in the tens’ column. Dividing Whole Numbers To find the quotient of and, you use long division. The dividend is and the divisor is ) 7 8 Divide 59 by 7, because 7 is more than 5. Multiply: 8 7 = 56.

20 EXAMPLE 4 Align the 8 in the tens’ column. Dividing Whole Numbers To find the quotient of and, you use long division. The dividend is and the divisor is ) 7 8 Divide 59 by 7, because 7 is more than 5. Multiply: 8 7 = 56.

21 EXAMPLE 4 Align the 8 in the tens’ column. Dividing Whole Numbers To find the quotient of and, you use long division. The dividend is and the divisor is ) 7 8 Divide 59 by 7, because 7 is more than 5. Subtract: 59 – 56 = 3. Bring down the 2. Multiply: 8 7 = 56.

22 EXAMPLE 4 Align the 8 in the tens’ column. Dividing Whole Numbers To find the quotient of and, you use long division. The dividend is and the divisor is ) 7 8 Divide 59 by 7, because 7 is more than 5. Subtract: 59 – 56 = 3. Bring down the 2. Multiply: 8 7 = 56.

23 EXAMPLE 4 Align the 8 in the tens’ column. Dividing Whole Numbers To find the quotient of and, you use long division. The dividend is and the divisor is ) 7 8 Repeat the process. Divide 59 by 7, because 7 is more than 5. Subtract: 59 – 56 = 3. Bring down the 2. Multiply: 8 7 = 56.

24 EXAMPLE 4 Align the 8 in the tens’ column. Dividing Whole Numbers To find the quotient of and, you use long division. The dividend is and the divisor is ) 7 84 Repeat the process. Divide 59 by 7, because 7 is more than 5. Subtract: 59 – 56 = 3. Bring down the 2. Multiply: 8 7 = 56.

25 EXAMPLE 4 Align the 8 in the tens’ column. Dividing Whole Numbers To find the quotient of and, you use long division. The dividend is and the divisor is ) 7 84 Repeat the process. The remainder is 4. Divide 59 by 7, because 7 is more than 5. Subtract: 59 – 56 = 3. Bring down the 2. Multiply: 8 7 = 56.

26 4 EXAMPLE 4 Align the 8 in the tens’ column. Dividing Whole Numbers To find the quotient of and, you use long division. The dividend is and the divisor is ) 7 84 R4 Repeat the process. The remainder is 4. Divide 59 by 7, because 7 is more than 5. Subtract: 59 – 56 = 3. Bring down the 2. Multiply: 8 7 = 56.

27 GUIDED PRACTICE Find the difference. 5. for Examples 2, 3 and 4 95 – – 49

28 Find the difference GUIDED PRACTICE for Examples 2, 3 and 4 95 – – 49 ANSWER 31 ANSWER 58

29 – 95 Find the difference. GUIDED PRACTICE for Examples 2, 3 and –

30 7. 8. Find the difference. GUIDED PRACTICE for Examples 2, 3 and – – 315 ANSWER 185 ANSWER 311

31 Find the product or quotient. GUIDED PRACTICE 9. for Examples 2, 3 and

32 9. GUIDED PRACTICE Find the product or quotient. for Examples 2, 3 and ANSWER 899

33 GUIDED PRACTICE Find the product or quotient. 10. for Examples 2, 3 and

34 GUIDED PRACTICE Find the product or quotient. 10. for Examples 2, 3 and ANSWER 2100

35 11. GUIDED PRACTICE Find the product or quotient. for Examples 2, 3 and

36 GUIDED PRACTICE 11. Find the product or quotient. for Examples 2, 3 and ANSWER 120 R 1

37 GUIDED PRACTICE 12. Find the product or quotient. for Examples 2, 3 and

38 GUIDED PRACTICE 12. Find the product or quotient. for Examples 2, 3 and ANSWER 19 R 19

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