Chapter 3-Add and Subtract Decimals
Presentation
•
Mathematics
•
5th - 6th Grade
•
Medium
Stevie Cross
Used 8+ times
FREE Resource
6 Slides • 16 Questions
1
Chapter 3-Add and Subtract Decimals
5th Grade
2
Place Value
Numbers in front of the decimal are WHOLE numbers.
Numbers after the decimals are NOT WHOLE numbers.
3
4
Multiple Choice
Which number is in the tenth's place?
3.187
3
1
8
7
5
Multiple Choice
Which number is in the ones place?
27.849
2
9
7
8
6
Multiple Choice
Which number is in the hundredth's place?
267.259
2
9
7
5
7
Multiple Choice
Which number is written in expanded form?
3.289
3X1 + 2X(1/10 ) + 8X(1/100) + 9X(1/1,000)
Three and two hundred eighty-nine thousandths
8
Multiple Choice
Which number is in written form?
thirty five and eight hundredths
35.08
9
Comparing and Ordering Decimals
Look at each place value and compare the numbers in those place values.
10
Multiple Choice
Compare the decimals.
3.21 ( ) 3.23
>
<
=
11
Multiple Choice
Compare the decimals.
14.34 ( ) 15.32
<
>
=
12
Multiple Choice
Which shows the decimals ordered from least to greatest?
6.29, 6.21, 4.32
7.22, 9.03, 8.1
3.01, 3.45, 3.7
13
Multiple Choice
Compare the decimals.
9.23 ( ) 9.230
<
>
=
14
Rounding Decimals
Underline the place value that you are rounding to.
"Go next door"
If the neighbor is 5 or more, the underlined number is bumped up by one. ALL NUMBERS AFTER THE UNDERLINED NUMBER BECOME ZEROS.
If the neighbor is 4 or less, the underlined number stays the same. ALL NUMBERS AFTER THE UNDERLINED NUMBER BECOME ZEROS.
All numbers in front of the underlined number stay the same.
15
Multiple Choice
Round the number to the nearest whole number.
17.983
18
18.983
17
17.0
16
Multiple Choice
Round the number to the nearest tenth's place.
218.843
219
218.800
218.840
217
17
Multiple Choice
Round the number to the nearest hundredths place.
87.435
87
87.400
87.436
87.440
18
Adding and Subtracting Decimals
19
Multiple Choice
4.45-1.86=
2.63
1.45
6.3
2.59
20
Multiple Choice
13.2-8.04=
21.56
5.9
5.16
8
21
Multiple Choice
15.76+8.2=
23.96
7.03
22.34
13.015
22
Multiple Choice
27.58+83.9=
100.2
103.302
111.48
2
Chapter 3-Add and Subtract Decimals
5th Grade
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