Multiplication of the number 5
(1) How many fingers are there in total on the hands? Complete the table.
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| 9 ⋅ 5 = 45 | ___ ⋅ 5 = _____ | ___ ⋅ 5 = _____ | ___ ⋅ 5 = _____ |
| 5 +5 +5 +5 +5 +5 +5 +5 + 5 = 45 | __________________ | __________________ | __________________ |
(2) Complete the sequence.
5
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15
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(3) Multiply, you can use the number line.
2 • 5 = _______ 10 • 5 = _______ 5 • 5 = _______ 1 • 5 = _______ 4 • 5 = _______
3 • 5 = _______ 8 • 5 = _______ 9 • 5 = _______ 6 • 5 = _______ 7 • 5 = _______
(4) Compare the expressions in the table and fill in with <, > or =.
| 10 • 5 20 | 9 • 5 16 | 3 • 5 12 | 4 • 5 10 |
| 13 7 • 5 | 18 6 • 5 | 8 8 • 5 | 7 1 • 5 |
| 5 • 5 5 | 2 • 5 15 | 1 • 5 25 | 4 • 5 41 |
| 19 8 • 5 | 10 15 • 5 | 40 + 24 9 • 5 | 46 45 + 5 |
(5) In the table, color the multiples of 5.
| 6 | 19 | 10 | 8 | 4 | 13 | 7 | 23 | 1 | 5 |
| 20 | 29 | 21 | 18 | 12 | 22 | 26 | 17 | 25 | 15 |
Arrange the found multiples from smallest to largest.
(6) Calculate by adding and multiplying.
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| 5 + | __ + | __ + | __ + | __ + | __ + | __ + | = ____ |