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Question
Circle the correct subtraction fact (by using casting out nine).
7420 − 3625 = 3795
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Solution
7420 – 3625 = 3795
7420 – 3625 = 3795
4 – 7 = 15
4 = 15 + 7
4 = 6 + 7
4 = 13
4 = 4
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100, 400, 700, ______, _______, ________.
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So, can you guess where the signals and circle are there?
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| = | 11 |
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| Total | 99 |
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