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Elementary School: 3rd, 4th & 5th Grade
Math
Addition And Subtraction 4
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Q.1
Increase 450 by 230.
0%
220
0%
280
0%
580
0%
680
Q.2
Which strategy would be best to subtract 2.9?
0%
Add 3 subtract 1
0%
Subtract 3 add 0.1
0%
Subtract 3 subtract 0.1
0%
Subtract 3 add 1
Q.3
Which strategy would be best to add 69 + 61 + 65 + 67?
0%
(60 x 4) + (1 + 5 + 7 + 9)
0%
(70 x 4) - (1 + 5 + 7 + 9)
0%
(61 + 65) + (67 + 69)
0%
(60 x 4) - (1 + 5 + 7 + 9)
Q.4
Which of these pairs would not make a whole number?
0%
2.78 + 0.22
0%
3.54 + 2.46
0%
5.01 + 1.9
0%
4.97 + 2.03
Q.5
How many altogether are 258 and 162?
0%
320
0%
400
0%
420
0%
450
Q.6
What is the best method of adding 34 + 48 + 56?
0%
Find the pair that total a multiple of 100 - add these first
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Find the pair that total a multiple of 10 - add these first
0%
Add 10s first then the units
0%
Double 34 then adjust
Q.7
What is the difference between 6.3 and 2.4?
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2.9
0%
3.9
0%
4
0%
4.1
Q.8
Which of these number sentences is incorrect?
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2.56 + 3.41 = 5.97
0%
5.97 - 3.41 = 2.56
0%
5.97 - 2.56 = 3.41
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3.41 - 2.56 = 5.97
Q.9
Decrease 2.5 by 1.8.
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0.6
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0.7
0%
1.7
0%
4.3
Q.10
What is the best method of adding 0.9?
0%
Add 1 subtract 1
0%
Add 1 add 0.1
0%
Subtract 1 subtract 0.1
0%
Add 1 subtract 0.1
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