Bảng nhân 3
<p>• Mỗi tấm thẻ có 3 chấm tròn. Lần lượt lấy ra 1, 2, 3 tấm thẻ rồi nêu các phép nhân tương ứng:</p> <p><img style="display: block; margin-left: auto; margin-right: auto;" src="/uploads/tinymce/b6-h1-1664118393.jpg.webp" width="699" height="378" alt="hinh-anh-bang-nhan-3-893-0" title="hinh-anh-bang-nhan-3-893-0" loading="lazy"></p><div> <div class="ads-horizontal-wrapped">
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</div><p></p> <p>• Mỗi tấm thẻ có 3 chấm tròn. Lần lượt lấy ra 4, 5, 6, 7, 8, 9, 10 tấm thẻ rồi nêu các phép nhân tương ứng:</p> <p><img style="display: block; margin-left: auto; margin-right: auto;" src="/uploads/tinymce/b6-h2-1664118768.jpg.webp" width="436" height="142" alt="hinh-anh-bang-nhan-3-893-1" title="hinh-anh-bang-nhan-3-893-1" loading="lazy"></p> <p>3 x 4 = 12<br>3 x 5 = ?<br>3 x 6 = ?<br>3 x 7 = ?<br>3 x 8 = ?<br>3 x 9 = ?<br>3 x 10 = ?</p> <p style="text-align: center;"><strong>BẢNG NHÂN 3</strong></p> <p style="text-align: center;">3 x 1 = 3<br>3 x 2 = 6<br>3 x 3 = 9<br>3 x 4 = 12<br>3 x 5 = 15<br>3 x 6 = 18<br>3 x 7 = 21<br>3 x 8 = 24<br>3 x 9 = 27<br>3 x 10 = 30</p> <p><img style="display: block; margin-left: auto; margin-right: auto;" src="/uploads/tinymce/b6-h3-1664119571.jpg.webp" width="445" height="358" alt="hinh-anh-bang-nhan-3-893-2" title="hinh-anh-bang-nhan-3-893-2" loading="lazy"></p> <h3 id="1-tiacutenh-nham">1. Tính nhẩm:</h3> <p>3x3 ; 3x6 ; 3x1 ; 3x10 ; 3x2 ; 3x5</p> <p>3x7 ; 3x4 ; 3x9 ; 3x8 ; 2x3 ; 5x3</p> <h3 id="2-tiacutenh">2. Tính:</h3> <p>3kg x 2 ; 3m x 8 ; 3<em>l&nbsp;</em>x 7</p> <p>3dm x 4 ; 3km x 9 ; 3mm x 10</p> <h3 id="3-necircu-pheacutep-nhacircn-thiacutech-hop-voi-moi-tranh-ve">3. Nêu phép nhân thích hợp với mỗi tranh vẽ:</h3> <p><img style="display: block; margin-left: auto; margin-right: auto;" src="/uploads/tinymce/b6-h4-1664120811.jpg.webp" width="420" height="289" alt="hinh-anh-bang-nhan-3-893-3" title="hinh-anh-bang-nhan-3-893-3" loading="lazy"></p> <p><img style="display: block; margin-left: auto; margin-right: auto;" src="/uploads/tinymce/b6-h5-1664120822.jpg.webp" width="403" height="304" alt="hinh-anh-bang-nhan-3-893-4" title="hinh-anh-bang-nhan-3-893-4" loading="lazy"></p> <h3 id="4nbsp">4.&nbsp;</h3> <p>a) Hãy đếm thêm 3:</p> <p><img style="display: block; margin-left: auto; margin-right: auto;" src="/uploads/tinymce/b6-h6-1664121109.jpg.webp" width="730" height="81" alt="hinh-anh-bang-nhan-3-893-5" title="hinh-anh-bang-nhan-3-893-5" loading="lazy"></p><div> <div class="ads-horizontal-wrapped">
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</div><p></p> <p>b) Xếp các chấm tròn thích hợp với mỗi phép nhân sau:</p> <p>3x5 ; 3x6 ; 3x7</p> <p><img style="display: block; margin-left: auto; margin-right: auto;" src="/uploads/tinymce/b6-h7-1664121287.jpg.webp" width="615" height="285" alt="hinh-anh-bang-nhan-3-893-6" title="hinh-anh-bang-nhan-3-893-6" loading="lazy"></p> <h3 id="5">5.</h3> <p>a) Mỗi khay có 3 chiếc bánh bao. Hỏi 6 khay như thế có tất cả bao nhiêu chiếc bánh bao?</p> <p>b) Kể một tình huống sử dụng phép nhân 3 x 7 trong thực tế.</p>