WEBVTT
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A class is skip counting on a number line.
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But some of the numbers have been covered in ink.
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What skip count do the numbers follow?
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What are the two missing numbers?
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We can see the first number on the number line is 274.
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The second number and the third number have been covered in ink.
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The fourth number is 304 and the fifth number is 314.
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We canâ€™t work out the rule by looking at the first part of the number line because two of the numbers are missing.
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But we are given the last two numbers on the number line: 304 and 314.
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What are we skip counting by?
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Twos, fives, tens.
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How do we get from 304 to 314?
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We need to add 10.
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So we can answer the first part of the question.
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We skip counting in tens.
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Now, we can find the first missing number.
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If we start at 274 and skip count by tens, what number would come next?
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What number is 10 more than 274.
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274 and 10 more is 284.
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The first missing number is 284.
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To find the next missing number covered in ink, we need to add 10 to 284, which is 294.
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The two missing numbers are 284 and 294.
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And if we were to add 10 to 294, that would take us to 304.
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The numbers on the number line are increasing by 10.
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We skip counting in tens.
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The two missing numbers are 284 and 294.
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The numbers are 274, 284, 294, 304, 314.
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And the two missing numbers are 284 and 294.