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Fill in all the missing numbers.  \n1)  \n\n| 3 | 6 |  | 12 |  | 18 |  |  |\n| --- | --- | --- | --- | --- | --- | --- | --- |\n\n2)  \n\n| 30 | 28 |  | 24 |  |  | 18 |  |\n| --- | --- | --- | --- | --- | --- | --- | --- |\n\n3)  \n\n| 12 | 16 |  |  | 28 |  |  | 40 |\n| --- | --- | --- | --- | --- | --- | --- | --- |\n\n4)  \n\n| 18 | 27 |  | 45 |  | 63 |  |  |\n| --- | --- | --- | --- | --- | --- | --- | --- |\n\n5)  \n\n| 54 | 48 |  |  | 30 |  | 18 |  |\n| --- | --- | --- | --- | --- | --- | --- | --- |\n\n6)  \n\n| 75 | 70 |  | 60 |  |  | 45 |  |\n| --- | --- | --- | --- | --- | --- | --- | --- |\n\n7)  \n\n| 15 | 18 |  |  | 27 |  | 33 |  |\n| --- | --- | --- | --- | --- | --- | --- | --- |\n\n8)  \n\n| 21 | 28 |  | 42 |  | 56 |  |  |\n| --- | --- | --- | --- | --- | --- | --- | --- |\n\n9)  \n\n| 18 | 24 |  |  | 42 |  |  | 60 |\n| --- | --- | --- | --- | --- | --- | --- | --- |\n\n10)  \n\n| 56 | 52 |  | 44 |  |  | 32 |  |\n| --- | --- | --- | --- | --- | --- | --- | --- |\n\nCOUNTING ON AND BACK BY DIGITS  \nSHEET 1 ANSWERS 1)  \n\n| 3 | 6 | 9 | 12 | 15 | 18 | 21 | 24 |\n| --- | --- | --- | --- | --- | --- | --- | --- |\n\n2)  \n\n| 30 | 28 | 26 | 24 | 22 | 20 | 18 | 16 |\n| --- | --- | --- | --- | --- | --- | --- | --- |\n\n3)  \n\n| 12 | 16 | 20 | 24 | 28 | 32 | 36 | 40 |\n| --- | --- | --- | --- | --- | --- | --- | --- |\n\n4)  \n\n| 18 | 27 | 36 | 45 | 54 | 63 | 72 | 81 |\n| --- | --- | --- | --- | --- | --- | --- | --- |\n\n5)  \n\n| 54 | 48 | 42 | 36 | 30 | 24 | 18 | 12 |\n| --- | --- | --- | --- | --- | --- | --- | --- |\n\n6)  \n\n| 75 | 70 | 65 | 60 | 55 | 50 | 45 | 40 |\n| --- | --- | --- | --- | --- | --- | --- | --- |\n\n7)  \n\n| 15 | 18 | 21 | 24 | 27 | 30 | 33 | 36 |\n| --- | --- | --- | --- | --- | --- | --- | --- |\n\n8)  \n\n| 21 | 28 | 35 | 42 | 49 | 56 | 63 | 70 |\n| --- | --- | --- | --- | --- | --- | --- | --- |\n\n9)  \n\n| 18 | 24 | 30 | 36 | 42 | 48 | 54 | 60 |\n| --- | --- | --- | --- | --- | --- | --- | --- |\n\n10)  \n\n| 56 | 52 | 48 | 44 | 40 | 36 | 32 | 28 |\n| --- | --- | --- | --- | --- | --- | --- | --- |","cbCaisCFY4nTUvNA","https://ap.wps.com/l/cbCaisCFY4nTUvNA","pdf",151966,"English","# Counting On and Back by Digits - Sheet 1\n## Sequences 1-10\n## Sheet 1 Answers","[{\"question\":\"How do you find the step size in each sequence?\",\"answer\":\"Use the first two numbers to see how much they increase or decrease each step. The difference tells you the size of the single-digit steps to use for the rest of the sequence.\"},{\"question\":\"What should you do for each problem on Sheet 1?\",\"answer\":\"Fill in every missing number in the sequence by continuing the same counting-on or counting-back pattern.\"},{\"question\":\"Where can you check your answers?\",\"answer\":\"The document includes a “Sheet 1 Answers” section that lists the completed number sequences for problems 1 through 10.\"}]","Counting On and Back by Digits - Sheet 1 - Fill in the Missing Numbers | PDF",1792672851]