Go Math! Practice Fluency Workbook Grade 6 California 1st Edition Chapter 5 Operations with Decimals
Page 27 Problem 1 Answer
The given expression is 1.5+2.3.
We are sked to find the sum of the expression.
The answer can be found by adding the digits to the right of the decimal.
Then add the number to the left of the decimal.Add the extras( tens place digit) obtained from adding the values right to the decimal.
The sum of 1.5+2.3 is 3.8.
Page 27 Problem 2 Answer
The given expression is 8.9−5.1.
We are asked to find the difference of the expression. The answer can be found by finding the difference form the right side.
Find the difference of the numbers right to the decimal.Then find the difference between the number left to the decimal. This will give you the required answer.
The difference of the expression 8.9−5.1 is 3.8.
Page 27 Problem 3 Answer
The given expression is 2.5+1.3+4.1.
We are asked to find the sum of the expression. The answer can be found by adding the digits to the right of the decimal.
Then add the number to the left of the decimal. Add the extras( tens place digit) obtained from adding the values right to the decimal.
The sum of the expression 2.5+1.3+4.1 is 7.9.
Page 27 Problem 4 Answer
The given expression is 7.25+8.75. We are sked to find the sum of the expression. The answer can be found by adding the digits to the right of the decimal.
If you get a two digit value, write the ones digit down and take the tens digit value as the carrier.
Then add the number to the left of the decimal. Add the carrier( tens place digit) obtained from adding the values right to the decimal.
The sum of the expression 7.25+8.75 is 16.00.
Page 27 Problem 5 Answer
The given expression is 8.16−7.72. We are asked to find the difference of the expression.
The answer can be found by finding the difference form the right side. Find the difference of the numbers right to the decimal.
Then find the difference between the number left to the decimal. This will give you the required answer.
The difference of the expression 8.16−7.72 is 0.44.
Page 27 Problem 6 Answer
The given numbers are 3.3+4.5+2.6
We need to find the sum or difference of the given question.
We will first add the first two numbers and then with that result add the third number to get the result.
The first two numbers are: – 3.3+4.5=7.8
Now, the addition of the result and the third number is 7.8+2.6=10.4
The answer to the given numbers are 10.4
Page 27 Problem 7 Answer
The given numbers are8.9+3.05
We need to find the sum or difference of the given question.
We will first add decimals side of these two numbers and then add the left side of the decimal number.
The addition of the numbers are11.95
Page 27 Problem 8 Answer
The given numbers are10.64−8.8
We need to find the sum or difference of the given question.
We will first subtract the right side of the decimals of these two numbers and then subtract the left side of the decimal number.
The numbers are: – 10.64−8.80=1.84
The subtraction of numbers is1.84
Page 27 Problem 9 Answer
The given numbers are4.1+0.35+6.564
We are asked to find the sum of the expression. The answer can be found by adding the digits to the right of the decimal.
Then add the number to the left of the decimal. Add the extras( tens place digit) obtained from adding the values right to the decimal.
The addition of the numbers is11.014
Page 27 Problem 10 Answer
Given: -Height of Marcus=1.5m
Height is 0.1 meter taller than Marcus.
Height is 0.2 meter than his sister.
We need to find the height of the father.
We will first find the height of his sister and then by using the height of his sister we will then find the height of the father.
The height of the father is1.8m
Page 27 Problem 11 Answer
Given: – Jennifer buy a baseball game=24.75
She spent on drinks and snacks=12.45
We need to find that how much money does she have leftover.
We will subtract the amount spent on drinks and snacks from the total buy to find the leftover money.
The total leftover money= Total buy on a baseball game− money spent on drinks and snacks =24.75−12.45 =12.30
The total leftover money is $12.30
Page 27 Problem 12 Answer
The given numbers are:- 7.089+2.?13=9.502
We need to find the missing digit.
We will use the concept of addition to find the missing digit in the given question.
The given expression is 7.089+2.?13=9.502
It can be written as 2.?13=9.502−7.089
Thus we have2.?13=2.413
On comparing both the numbers, it can be concluded that the missing digit is 4
The missing digit is 4
Page 27 Problem 13 Answer
The given numbers are16.594−?.175=11.419
We need to find the missing digit.
We will use the concept of subtraction to find the missing digit.
The given numbers are 16.594−?.175=11.419
16.594−5.175=11.419
The missing digit is5
Page 27 Problem 14 Answer
The given numbers are6.2?67+9.75=15.9867
We need to find the missing digit.
We will use the concept of addition to find the missing digit in the given question.
The numbers are: – 6.2?67+9.75=15.9867
6.2367+9.75=15.9867
The missing digit is 3
Page 27 Problem 15 Answer
Given: – Cost of all three pizzas is $46.24
Cost of medium pizza is $15.75
Cost of large pizza is $17.50
We need to find the cost of small pizza.
We will first add both sizes of pizza i.e., medium and large size pizza, and then subtract the result from the total cost of the pizza to find the small size of pizza.
The cost of small pizza is $13.
Page 27 Problem 16 Answer
Given: – Length of three sheets of plywood is 6.85 feet long.
Length cut from one sheet is3.4 foot.
Length cut from second sheet is0.5 foot.
We need to find the feet of plywood left in all.
We will cut the length of sheet from first and second sheet as given in the question and then add all the length of plywood to find the overall length.
The total length of plywood left in all is13.65 feet.
Page 28 Exercise 1 Answer
The given numbers are2.6+1.15
We need to find the addition of the given numbers.
We will use the concept of addition to find out the solution to the questions.
The numbers are: – 2.60 + 1.15 =3.75
The addition of the given two numbers is3.75
Page 28 Exercise 2 Answer
The given numbers are2.53−1.7=?
We need to find the solution to the given question.
We will subtract the second number from the first number from right to left direction subtracting the decimal part first.
The given numbers are: – 2.53 −1.70 =0.83
The solution is0.83
Page 28 Exercise 3 Answer
The given numbers are4.3+1.4=?
We need to find the sum of the given numbers when you find the sum of two or more numbers, you use the symbol+.
The addition is the arithmetic operation of adding two numbers. An expression is a mathematical statement with terms, operands and operators.
The numbers are:- Tens Ones Tenths Hundredths Thousandths
4.3
1.4
=5.7
The sum of the numbers is5.7
Page 28 Exercise 4 Answer
The given numbers are 14.4−3.8=?
We need to find the solution to the given question.
We will subtract the second number from the first number from the right to left direction subtracting the decimal part first.
The numbers in a table are
The subtraction of the given numbers is10.6
Page 28 Exercise 5 Answer
The given numbers are7.3+8.5=?
We need to find the addition of the given numbers.
We will use the concept of addition to find out the solution to the questions.
The solution of the question is15.8
Page 28 Exercise 6 Answer
The given numbers are12.34−6.9=?
We need to find the solution to the given question.
We will subtract the second number from the first number from the right to left direction subtracting the decimal part first.
The solution of the given numbers is5.4
Page 28 Exercise 7 Answer
The given numbers are4.3+1.4=?
We need to find the addition of the given numbers.
We will use the concept of addition to find out the solution to the questions.
The numbers are 4.3 + 1.4 =5.7
The answer by rounding to the nearest whole number is6
The solution of the given numbers after rounding is6
Page 28 Exercise 8 Answer
The given numbers are14.4−3.8=?
We need to find the solution to the given question.
We will subtract the second number from the first number from the right to left direction subtracting the decimal part first.
The numbers are 14.4 − 3.8 = 10.6
The nearest whole number to10.6 is 11
The answer of the question is11
Page 28 Exercise 9 Answer
The given numbers are7.3+8.5=?
We need to find the addition of the given numbers.
We will use the concept of addition to find out the solution to the questions.
The numbers are 7.3+8.5=15.8
The nearest whole number to15.8 is 16
The solution the given number is16
Page 28 Exercise 10 Answer
The given numbers are 12.34−6.9
We need to find the solution to the given question.
We will subtract the second number from the first number from the right to left direction subtracting the decimal part first.
The numbers are 12.34−6.9 =5.4
The nearest whole number to 5.4 is5
Here, estimated answer is 5 and exact answer is 5.4
So, we can say that estimated answer is less than the exact answer .
On rounding the digit to the nearest whole number , we get 5. And on comparing estimate to the exact answers we must say that estimated answers is less than the exact answer i.e.5.4
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