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lozanna [386]
3 years ago
12

Helping my 2nd grader with his math homework and came across this. I don't know Common Core but I can find the sum "the old fash

ioned way" which is not how his teacher wants him to solve this one. Can you help me understand this?
Raul used this method to find the sum 427 + 316.
427
+316
-------
700
30
+ 13
-------
743
Describe how Raul solves addition problems.

*Note: I know this question was asked and answered in archives but the answer to how to solve this is still baffling me.*
Mathematics
2 answers:
n200080 [17]3 years ago
3 0
427+316 

step one- add 400 and 300=700
step two- take 3 from the 16 and add it to the 27 and add - 27+3+13=43
step three- add 43 and 700

I think that the common core way just adds more steps and makes it more complicated than just adding it regularly, but that's just me.
Lelu [443]3 years ago
3 0

Answer: 743


Step-by-step explanation:


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10. Find the area of the shaded region.
Semenov [28]

Answer:

Area = 114

Step-by-step explanation:

We first must find the area of the larger outside rectangle.

Area = length × width

15 × 8 = 120

Then we find the area of the smaller inside rectangle.

4 × 1.5 = 6

Since the small rectangle is not shaded we have to subtract its area from the larger shaded rectangle's area.

120 - 6 = 114

8 0
3 years ago
Javier has a job installing windows. He earns a rate of $75 per day plus $8 per window installed. He also receives a stipend of
vichka [17]
75d+8w+25
Part A)
75 and 8 are coefficients because coefficients are the numbers before and multiplied to the variable.
d and w are variables because variables aresymbols to represent the unknown numbers.
25 is the constant because constants are not affected by the variable.
Part B)
75d+8w+25
75(5)+8(48)+25 replace the variables
375+384+25      multiply
        784                add
Part C)
No, because his stipend is a constant, and constants are not affected by the variable.
4 0
3 years ago
Ted jogged a total of 11.2 miles in 4 days. He jogged the same distance each day
marta [7]

Answer:

Part A: 2.8 miles

Part B: 16.8 miles

Step-by-step explanation:

First, solve for how many miles Ted jogged in 1 day:

Variable x = number of miles

11.2/4 = x/1

Cross multiply

11.2 × 1 = 4 × x

11.2 = 4x

Divide both sides by 4

2.8 = x

He jogged 2.8 miles every day.

To find how many miles Ted would jog in 6 days, simply multiply his miles per day by the number of days he will jog:

2.8 miles × 6 days = 16.8 miles in 6 days

3 0
3 years ago
Can u help me on showing my work and the answer
Serga [27]

Answer:

34/8 or 4 2/8

Step-by-step explanation:

6*8=48   48+5=53   =53/8

                                              >     (53/8) - (19/8) = 34/8 or 4 2/8

2*8=16    16+3=19    =19/8


You just change the whole numbers into fractions by multiplying it by the denominator, in this case 8. And then add your sum to the fraction part of the number to be left with just a fraction. To subtract, you just subtract the numerator, if the denominator is the same. In this case, it is, the denominator is 8.

4 0
3 years ago
4/10 + 1/2 please help-
Mazyrski [523]

Exact Form:

9 /10

Decimal Form:

0.9

Hope this helps :)

7 0
3 years ago
Read 2 more answers
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