Rounding Decimals
What is the first decimal place value?
Tenths place
I can do it mentally!
What is another term we can use interchangeably with "simplifying?"
Reducing
What numbers can be reduced/canceled?
Matches in the numerator and denominator
What are the four steps of adding/subtracting fractions?
1) Write the problem
2) Find LCM of the denominators
3) Rewrite and Solve
4) Simplify
What place value do you round to when the question asks you to round to the nearest whole number?
Ones place
When mentally dividing a number by 10 or 100, which direction do you move the decimal?
To the left, to the left!
What other math process do you need to know how to do to be able to simplify fractions?
how to find GCF
Why can you cancel matches in the numerator and denominator?
Because the divide to equal 1
3/8 + 1/4
(slide 12)
5/8
When rounding, if the digit next door is 5-9, what do you do?
Add one more!
87.5 ÷ 10
(slide 4)
8.75
What are the two steps to simplify fractions?
1) Find GCF
2) Divide numerator and denominator by GCF
2 x 3 x 5/2 x 3 x 5 x 7
(slide 9)
1/7
1/2 - 1/4
(slide 14)
1/4
What is 0.12 rounded to the nearest tenths place? (slide 2)
0.1
95.67 ÷ 100
(slide 5)
0.9567
6/10
(slide 7)
3/5
2 x 2 x 3 x 3 x 5/ 2 x 2 x 3 x 5 x 5
(slide 10)
3/5
1 1/2 + 1 2/3
(slide 16)
3 1/6
What is 4.875 rounded to the nearest whole number?(slide 3)
5
2.5 ÷ 100
(slide 6)
0.025
10/12
(slide 8)
5/6
2 x 3 x 5 x 3 x 5/2 x 2 x 3 x 5 x 5
(slide 11)
3
7 1/2 + 4 5/8
(slide 17)
12 1/8