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		<h1>Đề thi học kỳ 1 môn Toán lớp 2 năm 2019 - 2020 &#40;Đề 3&#41;</h1>
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			Đề thi học kỳ 1 môn Toán lớp 2 năm 2019 - 2020, có đáp án và biểu điểm kèm theo.
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			<div style="text-align: justify;"><strong>I. Phần trắc nghiệm: (3 điểm)</strong><br  />
<em><strong>Hãy khoanh tròn vào chữ đặt trước kết quả đúng:</strong></em><br  />
<strong>Bài 1( 1 điểm) &nbsp;</strong><br  />
a) Số liền trước số 1 là số nào? &nbsp;<br  />
A. 0 &nbsp; &nbsp; &nbsp; &nbsp; &nbsp; &nbsp; &nbsp; &nbsp;<br  />
B. 1 &nbsp; &nbsp; &nbsp; &nbsp; &nbsp; &nbsp; &nbsp; &nbsp; &nbsp;<br  />
C. 2 &nbsp; &nbsp;&nbsp; &nbsp; &nbsp; &nbsp;<br  />
D.3<br  />
b) Số lớn nhất có 2 chữ số là số nào?&nbsp;&nbsp; &nbsp;<br  />
A. 10&nbsp;&nbsp; &nbsp; &nbsp; &nbsp; &nbsp; &nbsp; &nbsp; &nbsp; &nbsp;<br  />
B. 50 &nbsp; &nbsp; &nbsp; &nbsp; &nbsp; &nbsp; &nbsp; &nbsp; &nbsp; &nbsp;<br  />
C. 90&nbsp;&nbsp; &nbsp;&nbsp;&nbsp; &nbsp; &nbsp; &nbsp;<br  />
D. 99<br  />
<br  />
<strong>Bài 2( 1 điểm) &nbsp;Tính kết quả ?</strong><br  />
a) 60 - 10 - 30 =?<br  />
A. 50&nbsp; &nbsp; &nbsp; &nbsp;<br  />
B.20&nbsp;&nbsp; &nbsp;&nbsp;&nbsp; &nbsp;<br  />
C.30&nbsp;&nbsp; &nbsp;&nbsp;&nbsp; &nbsp;<br  />
D.40<br  />
b) 7 + 3+ 6 =?<br  />
A.10&nbsp;&nbsp; &nbsp;&nbsp;&nbsp; &nbsp;<br  />
B.15&nbsp;&nbsp; &nbsp;&nbsp;&nbsp; &nbsp;<br  />
C.16&nbsp;&nbsp; &nbsp;&nbsp;&nbsp; &nbsp;<br  />
D.17<br  />
<br  />
<strong>Bài 3 ( 1 điểm) Tính kết quả?</strong><br  />
a) &nbsp;52 + 17 =? &nbsp; &nbsp; &nbsp; &nbsp; &nbsp; &nbsp; &nbsp;&nbsp;<br  />
A. 69 &nbsp;&nbsp; &nbsp;&nbsp;&nbsp; &nbsp; B.79 &nbsp;&nbsp; &nbsp;&nbsp;&nbsp; &nbsp;C.70&nbsp;&nbsp; &nbsp;&nbsp;&nbsp; &nbsp;D.60 &nbsp; &nbsp; &nbsp; &nbsp; &nbsp; &nbsp; &nbsp; &nbsp; &nbsp; &nbsp;&nbsp;<br  />
b) &nbsp;81 – 46 = ?&nbsp;&nbsp; &nbsp;&nbsp;<br  />
A. 55&nbsp;&nbsp; &nbsp;&nbsp;&nbsp; &nbsp; B.45 &nbsp;&nbsp; &nbsp;&nbsp;&nbsp; &nbsp;C.35&nbsp;&nbsp; &nbsp;&nbsp;&nbsp; &nbsp;D.36<br  />
<br  />
<strong>II. Phần tự luận. (7 điểm)</strong><br  />
<strong>Bài 4 ( 1 điểm) &nbsp;Đặt tính rồi tính:&nbsp;</strong><br  />
a) &nbsp;100 - 89 &nbsp; &nbsp; &nbsp; &nbsp; &nbsp; &nbsp; &nbsp; &nbsp; &nbsp; &nbsp; &nbsp; &nbsp; &nbsp; &nbsp;b) &nbsp;68 + 27 &nbsp; &nbsp; &nbsp; &nbsp; &nbsp; &nbsp; &nbsp; &nbsp; &nbsp; &nbsp;<br  />
............. &nbsp; &nbsp; &nbsp; &nbsp; &nbsp; &nbsp; &nbsp; &nbsp; &nbsp; &nbsp; &nbsp; &nbsp; &nbsp; &nbsp; &nbsp; &nbsp; ............ &nbsp; &nbsp; &nbsp; &nbsp; &nbsp; &nbsp; &nbsp; &nbsp; &nbsp; &nbsp; &nbsp; &nbsp; &nbsp; &nbsp; &nbsp; &nbsp; &nbsp; &nbsp; &nbsp; &nbsp; &nbsp;&nbsp;<br  />
............. &nbsp; &nbsp; &nbsp; &nbsp; &nbsp; &nbsp; &nbsp; &nbsp; &nbsp; &nbsp; &nbsp; &nbsp; &nbsp; &nbsp; &nbsp; &nbsp; ............. &nbsp; &nbsp; &nbsp; &nbsp; &nbsp; &nbsp; &nbsp; &nbsp; &nbsp; &nbsp; &nbsp; &nbsp; &nbsp; &nbsp; &nbsp; &nbsp; &nbsp; &nbsp; &nbsp; &nbsp; &nbsp; &nbsp;&nbsp;<br  />
............. &nbsp; &nbsp; &nbsp; &nbsp; &nbsp; &nbsp; &nbsp; &nbsp; &nbsp; &nbsp; &nbsp; &nbsp; &nbsp; &nbsp; &nbsp; &nbsp; ............. &nbsp; &nbsp; &nbsp; &nbsp; &nbsp; &nbsp; &nbsp; &nbsp; &nbsp; &nbsp; &nbsp; &nbsp; &nbsp; &nbsp; &nbsp; &nbsp; &nbsp; &nbsp; &nbsp; &nbsp; &nbsp; &nbsp;&nbsp;<br  />
&nbsp;<br  />
<strong>Bài 5 ( 1,5 điểm) Điền kết quả đúng vào chỗ chấm?</strong><br  />
a) 35l + 15l &nbsp;=......<br  />
b)&nbsp;7dm=........cm&nbsp;<br  />
c) 1 ngày =.........giờ &nbsp; &nbsp; &nbsp; &nbsp;&nbsp;<br  />
<br  />
<strong>Bài 6 ( 1,5 điểm) &nbsp; Tìm x: Biết:</strong><br  />
a) &nbsp;x + 26= 100 &nbsp; &nbsp; &nbsp; &nbsp; &nbsp; &nbsp; &nbsp; &nbsp; &nbsp; &nbsp;<br  />
b) x - 29 = 51 &nbsp; &nbsp; &nbsp; &nbsp; &nbsp; &nbsp; &nbsp; &nbsp; &nbsp;<br  />
c) 86 – x = 18<br  />
&nbsp; &nbsp; &nbsp; &nbsp; &nbsp; &nbsp; &nbsp; &nbsp; &nbsp; &nbsp; &nbsp; &nbsp; &nbsp; &nbsp; &nbsp; &nbsp; &nbsp; &nbsp; &nbsp; &nbsp;<br  />
<strong>Bài 7 ( 1điểm)</strong>&nbsp;<br  />
Trong hình dưới&nbsp;có:<br  />
<br  />
a) Có mấy đoạn thẳng?<br  />
...................................................<br  />
b) &nbsp;Viết &nbsp;tên các đoạn thẳng đó ?<br  />
...................................................<br  />
<br  />
<strong>&nbsp;Bài 8 ( 2 điểm)</strong><br  />
Năm nay mẹ 34 tuổi, mẹ hơn con 25 tuổi. Hỏi năm nay con bao nhiêu tuổi ?<br  />
Tóm tắt &nbsp; &nbsp; &nbsp; &nbsp; &nbsp; &nbsp; &nbsp; &nbsp; &nbsp; &nbsp; &nbsp; &nbsp; &nbsp; &nbsp; &nbsp; &nbsp; &nbsp; &nbsp; &nbsp; &nbsp; &nbsp; &nbsp;<br  />
Bài giải<br  />
........................................................................................................<br  />
........................................................................................................<br  />
........................................................................................................&nbsp; &nbsp; &nbsp; &nbsp; &nbsp; &nbsp; &nbsp; &nbsp; &nbsp; &nbsp; &nbsp; &nbsp; &nbsp; &nbsp; &nbsp; &nbsp; &nbsp; &nbsp; &nbsp; &nbsp; &nbsp; &nbsp; &nbsp; &nbsp; &nbsp; &nbsp; &nbsp; &nbsp; &nbsp; &nbsp; &nbsp; &nbsp; &nbsp; &nbsp; &nbsp; &nbsp; &nbsp; &nbsp; &nbsp; &nbsp; &nbsp; &nbsp; &nbsp; &nbsp; &nbsp; &nbsp; &nbsp; &nbsp; &nbsp; &nbsp; &nbsp;.</div>

<div style="text-align: center;"><strong>Đáp án Toán</strong></div>

<div style="text-align: justify;"><strong>I. Trắc nghiệm</strong>

<table class="Table" style="border-collapse:collapse; border:none">
	<tbody>
		<tr>
			<td style="border-width: 1px; border-style: solid; border-color: black; width: 98px; padding: 0cm 7px; text-align: center;" valign="top">&nbsp;</td>
			<td style="border-bottom: 1px solid black; width: 98px; padding: 0cm 7px; border-top: 1px solid black; border-right: 1px solid black; border-left: none; text-align: center;" valign="top"><span style="font-size:12pt"><span style="font-family:&#039;Times New Roman&#039;,serif"><b><span lang="NL" style="font-size:14.0pt">Câu 1(1đ)</span></b></span></span></td>
			<td style="border-bottom: 1px solid black; width: 98px; padding: 0cm 7px; border-top: 1px solid black; border-right: 1px solid black; border-left: none; text-align: center;" valign="top"><span style="font-size:12pt"><span style="font-family:&#039;Times New Roman&#039;,serif"><b><span lang="NL" style="font-size:14.0pt">Câu 2(1đ)</span></b></span></span></td>
			<td style="border-bottom: 1px solid black; width: 98px; padding: 0cm 7px; border-top: 1px solid black; border-right: 1px solid black; border-left: none; text-align: center;" valign="top"><span style="font-size:12pt"><span style="font-family:&#039;Times New Roman&#039;,serif"><b><span lang="NL" style="font-size:14.0pt">Câu 3(1đ)</span></b></span></span></td>
		</tr>
		<tr>
			<td style="border-bottom: 1px solid black; width: 98px; padding: 0cm 7px; border-top: none; border-right: 1px solid black; border-left: 1px solid black; text-align: center;" valign="top"><span style="font-size:12pt"><span style="font-family:&#039;Times New Roman&#039;,serif"><b><span lang="NL" style="font-size:14.0pt">a) 0,5đ</span></b></span></span></td>
			<td style="border-bottom: 1px solid black; width: 98px; padding: 0cm 7px; border-top: none; border-right: 1px solid black; border-left: none; text-align: center;" valign="top"><span style="font-size:12pt"><span style="font-family:&#039;Times New Roman&#039;,serif"><b><span lang="NL" style="font-size:14.0pt">A</span></b></span></span></td>
			<td style="border-bottom: 1px solid black; width: 98px; padding: 0cm 7px; border-top: none; border-right: 1px solid black; border-left: none; text-align: center;" valign="top"><span style="font-size:12pt"><span style="font-family:&#039;Times New Roman&#039;,serif"><b><span lang="NL" style="font-size:14.0pt">B</span></b></span></span></td>
			<td style="border-bottom: 1px solid black; width: 98px; padding: 0cm 7px; border-top: none; border-right: 1px solid black; border-left: none; text-align: center;" valign="top"><span style="font-size:12pt"><span style="font-family:&#039;Times New Roman&#039;,serif"><b><span lang="NL" style="font-size:14.0pt">A</span></b></span></span></td>
		</tr>
		<tr>
			<td style="border-bottom: 1px solid black; width: 98px; padding: 0cm 7px; border-top: none; border-right: 1px solid black; border-left: 1px solid black; text-align: center;" valign="top"><span style="font-size:12pt"><span style="font-family:&#039;Times New Roman&#039;,serif"><b><span lang="NL" style="font-size:14.0pt">b)0,5đ</span></b></span></span></td>
			<td style="border-bottom: 1px solid black; width: 98px; padding: 0cm 7px; border-top: none; border-right: 1px solid black; border-left: none; text-align: center;" valign="top"><span style="font-size:12pt"><span style="font-family:&#039;Times New Roman&#039;,serif"><b><span lang="NL" style="font-size:14.0pt">D</span></b></span></span></td>
			<td style="border-bottom: 1px solid black; width: 98px; padding: 0cm 7px; border-top: none; border-right: 1px solid black; border-left: none; text-align: center;" valign="top"><span style="font-size:12pt"><span style="font-family:&#039;Times New Roman&#039;,serif"><b><span lang="NL" style="font-size:14.0pt">C</span></b></span></span></td>
			<td style="border-bottom: 1px solid black; width: 98px; padding: 0cm 7px; border-top: none; border-right: 1px solid black; border-left: none; text-align: center;" valign="top"><span style="font-size:12pt"><span style="font-family:&#039;Times New Roman&#039;,serif"><b><span lang="NL" style="font-size:14.0pt">C</span></b></span></span></td>
		</tr>
	</tbody>
</table>
<br  />
<strong>II.Tự luận</strong><br  />
<strong>Bài 4: (1 điểm) Mỗi câu tính đúng 0,5 điểm</strong><br  />
a) 11 &nbsp; &nbsp;<br  />
b) 95 &nbsp; &nbsp; &nbsp; &nbsp; &nbsp;<br  />
<br  />
<strong>Bài 5: (1,5 điểm) Mỗi câu tính đúng 0,5 điểm &nbsp;&nbsp;</strong><br  />
a) 50l<br  />
b) 70cm<br  />
c) 1ngày = 24 giờ<br  />
<br  />
<strong>Bài 6: (1,5 điểm) Mỗi câu tính đúng 0,5 điểm &nbsp;&nbsp;</strong><br  />
a) &nbsp;x + 26 = 100 &nbsp; &nbsp; &nbsp; &nbsp; &nbsp; &nbsp; &nbsp; &nbsp; &nbsp; &nbsp;b) x - 29 = 51 &nbsp; &nbsp; &nbsp; &nbsp; &nbsp; &nbsp; &nbsp; &nbsp; &nbsp; &nbsp;c) 86 – x = 18<br  />
&nbsp; &nbsp; &nbsp; &nbsp; &nbsp; &nbsp; x &nbsp;= 100 – 26&nbsp; &nbsp; &nbsp; &nbsp; &nbsp; &nbsp; &nbsp; &nbsp; &nbsp; &nbsp; &nbsp; &nbsp;x = 51 + 29 &nbsp; &nbsp; &nbsp; &nbsp; &nbsp; &nbsp; &nbsp; &nbsp; &nbsp; &nbsp; &nbsp; &nbsp; x = 86 – 18<br  />
&nbsp; &nbsp; &nbsp; &nbsp; &nbsp; &nbsp; &nbsp;x = 74&nbsp; &nbsp; &nbsp; &nbsp; &nbsp; &nbsp; &nbsp; &nbsp; &nbsp; &nbsp; &nbsp; &nbsp; &nbsp; &nbsp; &nbsp; &nbsp; &nbsp;x = 80&nbsp; &nbsp; &nbsp; &nbsp; &nbsp; &nbsp; &nbsp; &nbsp; &nbsp; &nbsp; &nbsp; &nbsp; &nbsp; &nbsp; &nbsp; &nbsp; &nbsp;x = &nbsp;68<br  />
<br  />
<strong>Bài 7: (1 điểm)</strong><br  />
a) có 3 đoạn thẳng ( 0,5đ)<br  />
b) AB, BC, AC ( 0,5đ)<br  />
<br  />
<strong>Bài 8: (2 điểm)</strong> &nbsp; &nbsp; &nbsp; &nbsp; &nbsp; &nbsp; &nbsp; &nbsp; &nbsp; &nbsp; &nbsp; &nbsp; &nbsp; &nbsp; &nbsp; &nbsp; &nbsp; &nbsp; &nbsp; &nbsp; &nbsp; &nbsp; &nbsp; &nbsp; &nbsp; &nbsp; &nbsp; &nbsp; &nbsp; &nbsp; &nbsp; &nbsp; &nbsp; &nbsp; &nbsp; &nbsp; &nbsp; &nbsp; &nbsp;&nbsp;<br  />
<em><strong>Tóm tắt (0,25 điểm)</strong></em> &nbsp; &nbsp; &nbsp; &nbsp; &nbsp; &nbsp; &nbsp; &nbsp; &nbsp; &nbsp; &nbsp; &nbsp;<br  />
Mẹ &nbsp; &nbsp; &nbsp; &nbsp; &nbsp; &nbsp; &nbsp; &nbsp; &nbsp; &nbsp; &nbsp; &nbsp; &nbsp; : 34 tuổi<br  />
Mẹ hơn con &nbsp; &nbsp; &nbsp; &nbsp; &nbsp; &nbsp; : 25 tuổi<br  />
Con &nbsp; &nbsp; &nbsp; &nbsp; &nbsp; &nbsp; &nbsp; &nbsp; &nbsp; &nbsp; &nbsp; &nbsp; :... tuổi ?<br  />
<em><strong>Bài giải</strong></em><br  />
Năm nay tuổi con là: ( 0.5đ)<br  />
34 – 25 = 9 ( tuổi) ( 1đ)<br  />
Đáp số : 9 tuổi ( 0.25đ)</div>
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