180 Days of Math for Sixth Grade Day 128 Answers Key

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180 Days of Math for Sixth Grade Answers Key Day 128

Directions: Solve each problem.

Question 1.
93 – 48 = ___________
Explanation:
By subtracting smaller number from the bigger number,
we get the difference.
93 – 48 = 45

Question 2.
Calculate the product of 78 and 6.
Explanation:
Multiply means to add equal groups.
When we multiply, the number of things in the group increases.
The two factors and the product  are parts of a multiplication.
So, 78 × 6 = 468
The numbers 78 and 6 are the factors,
468 is the product.

Question 3.

Quotient = 47
Remainder = 1
Explanation:

Question 4.
Which is greater: 33 or 52?
33 is greater than 52
Explanation:
33 or 52
33 = 3 x 3 x 3 = 27
52 = 5 x 5 = 25
So, 33 is greater than 52

Question 5.
Round 3.6 to the nearest whole number.
Explanation:
To find the number in the whole number place 3,
first look one place to the right for the rounding digit on the right side of the decimal point 6.
Then, Round up if this number is greater than or equal to 5 and round down if it is less than 5.
So, the nearest whole number of 3.6 is 4.

Question 6.
Insert parentheses to make the following true.
7 × 8 – 4 × 3 = 84
7 × (8 – 4) × 3 = 84
Explanation:
7 × 8 – 4 × 3 = 84
7 × (8 – 4) × 3 = 84
7 × 4 × 3 = 84
28 × 3 = 84
84 = 84

Question 7.
× 10 = 8,720
Explanation:
× 10 = 8,720
Let the unknown number be x
10x = 8,720
x = $$\frac{8720}{10}$$
x = 872

Question 8.
Find w.
w2 = 64
w = _________
w = 8
Explanation:
w2 =  64
a2 is written as a x a
So, w = 8 x 8
Question 9.
Calculate the distance a car can travel in 2 hours at 55 mph.
110 kilometers
Explanation:
Distance = Speed x Time
speed = 55mph
Time = 2hrs
Substituting the values, we get
Distance = Speed x Time
Distance = 55 x 2 = 110 kilometers

Question 10.
What is the sum of the angles in a quadrilateral?
360 degrees
Explanation:
The sum of measures of a convex quadrilateral is 360 degrees,
Because a quadrilateral is made of two triangles.
Since a triangle has 180 degrees,
we can add that twice and conclude a quadrilateral is made up of 360 degree

Question 11.
What are the outliers in this data set?
518, 722, 560, 543, 251, 523
251 and 722 are outliers in this data set
Explanation:
Outlier is a number is a value much smaller or much larger number in the given data set.
the outliers in this data set 518, 722, 560, 543, 251, 523
arranging in the ascending order
251, 518, 523, 543, 560, 722
So, 251 and 722 are outliers in this data set

Question 12.
Paula, Fiona, and Veronica are playing a guessing game. Fiona’s guess is 1,381 more than Paula’s number. Paula’s number is 1,523 less than Veronica’s number. Veronica’s number is 3,243. What is Fiona’s number?