Dividing by Decimals © 2007 M. Tallman.

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Presentation transcript:

Dividing by Decimals © 2007 M. Tallman

0.6 ÷ 0.3 = 2 Dividing Decimals by Decimals 2 times! How many times does 0.3 “go into” 0.6? 2 times! © 2007 M. Tallman

Dividing Decimals by Decimals Step 1: Multiply the divisor by a power of ten to make it a whole number. Dividing Decimals by Decimals Step 2: Whatever you do to the divisor, you must also do to the dividend. 2 . ) 0 3 . . 6 . . × 10 10 × Step 3: Bring your decimal straight up into the quotient, then divide as usual. © 2007 M. Tallman

0.8 ÷ 0.2 = 4 Dividing Decimals by Decimals 4 times! How many times does 0.2 “go into” 0.8? 4 times! © 2007 M. Tallman

Dividing Decimals by Decimals Step 1: Multiply the divisor by a power of ten to make it a whole number. Dividing Decimals by Decimals Step 2: Whatever you do to the divisor, you must also do to the dividend. 4 . ) 10 × 0 2 . . 8 . . × 10 Step 3: Bring your decimal straight up into the quotient, then divide as usual. © 2007 M. Tallman

0.35 ÷ 0.05 = 7 Dividing Decimals by Decimals 7 times! How many times does 0.05 “go into” 0.35? 7 times! © 2007 M. Tallman

Dividing Decimals by Decimals Step 1: Multiply the divisor by a power of ten to make it a whole number. Dividing Decimals by Decimals Step 2: Whatever you do to the divisor, you must also do to the dividend. 7 . ) 100 × 0 05 . . 3 5 . . × 100 Step 3: Bring your decimal straight up into the quotient, then divide as usual. © 2007 M. Tallman

0.24 ÷ 0.06 = 4 Dividing Decimals by Decimals 4 times! How many times does 0.06 “go into” 0.24? 4 times! © 2007 M. Tallman

Dividing Decimals by Decimals Step 1: Multiply the divisor by a power of ten to make it a whole number. Dividing Decimals by Decimals Step 2: Whatever you do to the divisor, you must also do to the dividend. 4 . ) 100 × 0 06 . . 2 4 . . × 100 Step 3: Bring your decimal straight up into the quotient, then divide as usual. © 2007 M. Tallman

2 ÷ 0.5 = 4 Dividing Whole Numbers by Decimals 4 times! How many times does 0.5 “go into” 2? 4 times! © 2007 M. Tallman

Dividing Whole Numbers by Decimals Step 1: Multiply the divisor by a power of ten to make it a whole number. Dividing Whole Numbers by Decimals Step 2: Whatever you do to the divisor, you must also do to the dividend. 4 . ) 10 × 0 5 . 2 . . . × 10 Step 3: Bring your decimal straight up into the quotient, then divide as usual. © 2007 M. Tallman

3 ÷ 0.25 = 12 Dividing Whole Numbers by Decimals 12 times! How many times does 0.25 “go into” 3? 12 times! © 2007 M. Tallman

Dividing Whole Numbers by Decimals Step 1: Multiply the divisor by a power of ten to make it a whole number. Dividing Whole Numbers by Decimals 1 2 . Step 2: Whatever you do to the divisor, you must also do to the dividend. 0 25 . ) 100 × 3 . . . × 100 25 - 5 5 0 - Step 3: Bring your decimal straight up into the quotient, then divide as usual. © 2007 M. Tallman

Dividing Decimals by Decimals Step 1: Multiply the divisor by a power of ten to make it a whole number. Dividing Decimals by Decimals Divide. Round quotient to the nearest hundredth. 4 . 7 6 5 8 ) × 10 1 2 . 5 . 7 . . 1 10 × Step 2: Whatever you do to the divisor, you must also do to the dividend. 4 8 - 9 1 84 - 7 Step 3: Bring your decimal straight up into the quotient, then divide as usual. - 60 10 - 96 4 © 2007 M. Tallman

Dividing Decimals by Decimals Step 1: Multiply the divisor by a power of ten to make it a whole number. Dividing Decimals by Decimals Divide. Round quotient to the nearest tenth. 1 8 . 2 3 6 ) . 100 × 36 6 . 5 7 . . 4 × 100 Step 2: Whatever you do to the divisor, you must also do to the dividend. 36 - 29 7 288 - 9 4 Step 3: Bring your decimal straight up into the quotient, then divide as usual. - 72 22 - 216 4 © 2007 M. Tallman