Workbook Detail
Error Analysis Grade 4 Hard — Set 1
01
7.5 + 8.7 = ?
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16.2
02
75 × 9 = ?
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675
03
50% of 16 = ?
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8
04
20% of 20 = ?
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4
05
75% of 68 = ?
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51
06
693 ÷ 7 = ?
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99
07
66 × 2 = ?
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132
08
4/7 - 1/7 = ?
09
(7 + 6) × 4 = ?
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52
10
1.7 - 1.6 = ?
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0.1
11
7/7 - 4/7 = ?
12
42 × 8 = ?
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336
13
63 × 3 = ?
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189
14
x + 3 = 16, x = ?
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13
15
124 ÷ 4 = ?
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31
16
7.0 - 4.7 = ?
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2.3
17
9 × x = 36, x = ?
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4
18
10% of 60 = ?
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6
19
9^3 = ?
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729
20
x + 16 = 30, x = ?
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14