Unit 1 Math Test Flashcards
50 thousands=_______ ten thousands
5
35.72x10 to the 1st power=
357.2
35.72x10 to the 3rd power=
35720.00
What r the 4 operations?
+ addition
- subtraction
x multiplication
Division
What is the definition of standard form?
The normal way to write a number
What is the definition of unit form?
The digit and the unit
Ex)
4027=4 thousand 2 tens 7 ones
50 tens=
standard form
500
64 ones=
standard form
64
76 thousands
standard form
76,000
83 hundredths=
standard form
0.83
83 ones =
UNIT FORM UNBUNDLE
8 tens 3 ones
263 ones=
UNIT FORM UNBUNDLE
2 hundreds 6tens 3 ones
50 hundreds=
UNIT FORM BUNDLE
5 thousands
When dividing move decimal point to the ____
Left
When multiplying move decimal point to the _____
Right
What r all the factors of 100 in pairs don’t repeat?
1,100 2,50 4,25 5,20 10,10
What is a factor?
Numbers that you multiply to give you a certain product (the answer in a multiplication question).
What is a multiple?
The result of multiplying a number by another number.(invinite never end)
18 hundredths=
UNIT CHUNKS
1 tenth 8 hundredths
1.024X 100
STANDARD FORM
102.4
41÷1000
0.041
What is a exponent?
To represent how many times we use 10 or any other based number as a factor in our equation/expression
FUNFACT- 10 to the 100thpower is called googool
0.043 x 10 to the 3rd power
43.00
0.043x10to the 1st power
0.43
243÷10 to the 2nd power
2.43
24.3÷10 to the 4th power
0.00243
37
x 15
______
1 3 37 x15 \_\_\_\_\_ 185 \+370 \_\_\_\_\_\_\_ 555
46
x25
______
23
46
x 25
\_\_\_\_\_
230
\+920
\_\_\_\_\_\_
1,150N
__________
16. ). 288
What is the N ?
The N is the quotient
N
__________
16. ). 288
What is the 16?
The 16 is the divisor
N
__________
16. ). 288
What is the 288?
The 288 is the dividend
______
16) 288
x 018
\_\_\_\_\_\_
16) 288
- 16 -->
-------
128
-128
---------
0245
x 18
——-
34
245
x 18
-------
11
1960
\+ 2450
--------
44102500cm_____= ____ meters
(King)
\_\_
l Henry
\_\_\_
l Died. 10 to the 2nd power
\_\_\_
l (Unusally). 25m
\_\_\_
l Drinking
\_\_\_
l (Chocolate)
\_\_\_\_
l Milk
\_\_\_\_\_1500MM divided by 10 to the 3rd power= _______m
1.500 m
4.5kg x 10 to the 3rd power= _______ g
4,500g
Number goes up
Unit goes______
Down
Number goes down
Unit goes _____
Up
What is a conversion factor?
The factor we divide or multiply by when we convert between different units like 10 square or 10 cubed.
0.6L x 10 to the third power = ______mL
600 mL
764 mL divided by 10 to the third power = _______L
0.764 L
76.4 m x 10 to the second power =_______ cm
7640 cm
54 tenths= _____
STANDARD
5.4
5.4 X 10 to the second power=_______
540
658 and 3 tenths=_______
STANDARD FORM
658.3
658.3 divided by 10 to the 3rd power
0.6583
Thirteen thousandths
In standard, expanded and unit form
SF-0.013
EF-(1x0.01)+(3x0.001)
UF-1 hundredths 3 thousandths
Thirty and four hundred four thousandths
Standard
Expanded
Unit
SF-30.404
EF-(3x10)+(4x0.1)+(4x0.001)
UF-3 tens 4 tenths 4 thousandths
0.414
Word
Expanded
Unit
WF-four hundred fourteen thousandths
EF-( 4x0.1)+(1x0.01)+(4x0.001)
UF-4tenths 1 hundredth 4 thousandths
Four hundred three and fourteen hundredths
STANDARD
EXPANDED
UNIT
SF-403.14
EF-(4x100)+(3x1)+(1x0.1)+(4x0.01)
UF-4 hundred 3 ones 1 tenth 4 hundredths
15 km________=_______m
15 km x 10 to the 3rd power=15,000m
20 yards________=_______ft
20 yards x 3 =60 ft
1570 mm_______=_______m
1570 mm divided by 10 to the 3rd power=1.57m
7 km______=______m
7 km x 10 to the 3rd power =7,000m
500mm ______=________m
500 mm divided by 10 to the 3rd power=0.500m
0.43 cm ______=_______mm
0.43 cm x 10 to the 1st power=4.3mm
679.45L______=______mL
679.45L x 10 to the 3rd power=679450mL
Thirty four and eighty one thousandths
STANDARD
EXPANDED
UNIT
STANDARD-34.081
EXPANDED-(3x10)+(4x1)+(8x0.01)+(1x0.001)
UNIT-3tens 4ones 8 hundredths 1 thousandths
Five hundred three and seven hundred thirty two thousandths
STANDARD
EXPANDED
UNIT
STANDARD-503.732
EXPANDED- (5x100)+(3x1)+(7x0.1)+(3x0.01)+(2x0.001)
UNIT- 5 hundreds 3 ones 7 tenths 3 hundredths 2 thousandths
37 O 47
37<47
Remember
When comparing decimal numbers ,give each decimal the same number of decimal digits because you want them to have the “same last name”. Then compare them like regular numbers.
0.410=____ thousandths
0.410=410thousandths
0.500=___thousandths
0.500=500 thousandths
0.164=___thousandths
0.164=164 thousandths
- 410
- 500
- 164
- 531
INCREASING ORDER
- 410 2nd Least
- 500 3rd lest
- 164 LEAST
- 531 4th least
27.005
29.040
27. 019
29.500
INCREASING ORDER
- 005 LEAST
- 040 3rd LEAST
- 019 2nd LEAST
- 500 4th LEAST
fifteen Thousand four hundred three and seventy five thousandTHS
STANDARD
EXPANDED
UNIT chunks and solo
STANDARD-15,403.075
EXPANDED-(1X10,000)+(5X1000)+(4x100)+(3 X1)+(7×0.01)+(5×0.001)
UNIT( SOLO)-1 ten thousand 5 thousands 4 hundreds 3 ones 7 hundredths 5 thousandths
UNIT ( CHUNKS)-15403ones 75 thousandths
- 540
- 500
- 504
- 054
DECREASING ORDER
- 540 Greatest
- 500 2nd LEAST
- 504 2nd GREATEST
- 054 LEAST
6.52 6 5/100 6.502 6.525 DECREASING ORDER
6.52=6.520 2nd GREATEST
6 5/100=6.050 LEAST
6.502=6.502 2nd LEAST
6.525=6.525 GREATEST
[14-(3+2)]divided by 3=__
[(14-3)+2]divided by 3=3
[11 + 2 ]divided by 3
9 Divided by 3 =3
2x[(5+2)x4+2]x3=___
2x[(5+2)x4+2]x3=180
2x[7x4+2]x3
2x[28+2]x3
2x30x3
60x3=1800.67 O 67/100
0.67 = 67/100
83/100 O 0.084
83/100>0.084
328.2 O 328.099
328.2>328.099
4.77 O 477/1000
4.77>477/1000
561/1000 O 0.506
561/1000>0.506
8.735~____tenths
8.735~87tenths
8.735~___ hundredths
8.735~874 hundredths
Remember
Round normal way to check your work
8.735~___ Tenths
What is the 7 called in this problem?
The rounding digit
2.658~___ones
2.658~3
2.658~___tenths
2.658~2.7
2.658~___hundredths
2.658~2.66
24-(15 divided by 3)=
24-(15 divided by 3)=19
24-5=19
13+3x3=
13+3x3=22
13+9=22
[(3+5)x4]-10=____
[(3+5)x4]-10=22
[8x4]-10
32-10= 22
4x[(8 divided by 2)+1]=
4x[(8 divided by 2)+1]=
4x[4+1]
4x5=20
54.603~____ones
54.603~55
54.603~____tenths
54.603~54.6
14.35~____tens
14.35~10
14.35~____tenths
14.35~14.4
Four hundred five and seventeen thousandths
STANDARD
EXPANDED
UNIT any
STANDARD-405.017
EXPANDED-(4x100)+(5x1)+(1x0.01)+ (7x0.001)
UNIT-4 hundred 5 ones 1 hundredth 7 thousandths or 405 ones 17 thousandths
3.3m____=______cm
3.3mx10 to the 2nd power=330cm
7250mL_____=______L
7250mL divided by 10 to the 3rd power=7.25L
67.453~_____hundredths
67.453~6745hundredths
6.671x100=
6.671x100=667.1
684 divided by 1000=
684 divided by 1000=0.684
32.1x10=
32.1x10=321
3632.1 divided by 10=
3632.1 divided by 10=363.21
455x1000=
455x1000=455000
455 divided by 1000=
455 divided by 1000=0.455
1000=10 to the ___power=10x10x10
1000=10 to the 3rd power=10x10x10
100x100=10 to the 4th power=_______________
100x100=10 to the 4th power=10x10x10x10
3x10 to the 2nd power=____
300
2.16x10 to the 4th power=
21600
800 divided by 10 to the 3rd power=
0.8
754.2 divided by 10 to the 2nd power=
7.542
2 m = ____cm
2 m = 200cm
40 mm=____m
40 mm=0.04m
3.9 m =_____cm
3.9 m =390cm
4 cm=____m
4 cm=0.04 m
Nine thousandths=
STANDARD
Nine thousandths=0.009
Twenty nine thousandths=
FRACTION
29/1000
24.357
WORD
EXPANDED
UNIT
WORD-twenty four and three hundred fifty seven thousandths
EXPANDED -(2X 10) +(4X1)+(3X 0.1)+ (5×0.01)+ (7×0.001)
UNIT-2 tens 4 ones 3 tenths 5 hundredths 7 thousandths
167.4 O167.462
167.4 < 167.462
32.725 O 32.735
32.725 < 32.735
76.342
76.332
76.232
76.343
Decreasing order
- 232,76.332,76.342,
76. 343
8.546 ~_______hundredths
8.546 ~ 854 hundredths
8.546~_______ones
8.546~ 9 ones
(26-2) divided by 3=
8
320.04×10 to the 1st power=
320.04×10 to the 1st power= 3200.4
0.095×10 to the 2nd power
9.5
8912×10 to the 3rd power
8,912,000
2890.3÷10 to the 2nd power
28.003
0.251x10 to the 3rd power
251
54,000×10
540,000
54,000÷10
5400
8.7×10
87
8.7÷10
0.87
0.13×100
13
13÷1000
0.013
3.12×1000
312,000
4031.2 divided by 100
40.312
54,000×10
540,000
54,000÷10
5400
8.7×10
87
8.7÷10
0.87
0.13×100
13
