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Draw a line to match each calculation to its answer. Complete the table. Circle the direction that the digits move in and write how many places they move. Show how the digits shift when multiplying by 10.

Mathematics

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Step-by-step solution

3 steps

  1. Match each calculation to its answer.

    • 18×10=18018 \times 10 = \textbf{180}
    • 21×10=21021 \times 10 = \textbf{210}
    • 17×10=17017 \times 10 = \textbf{170}
    • 20×10=20020 \times 10 = \textbf{200}
    • 14×10=14014 \times 10 = \textbf{140}
    • 24×10=24024 \times 10 = \textbf{240}
    • 25×10=25025 \times 10 = \textbf{250}
    • 23×10=23023 \times 10 = \textbf{230}

  2. Complete the table by circling the direction and writing the number of places the digits move.

    OperationDirection the digits moveNumber of places the digits move×10left1×100left2÷10right1÷100right2\begin{array}{|l|c|c|} \hline \textbf{Operation} & \textbf{Direction the digits move} & \textbf{Number of places the digits move} \\ \hline \times 10 & \text{left} & 1 \\ \hline \times 100 & \text{left} & 2 \\ \hline \div 10 & \text{right} & 1 \\ \hline \div 100 & \text{right} & 2 \\ \hline \end{array}

  3. Show how the digits shift when multiplying by 10.

    • a) 873×10=8730873 \times 10 = 8730

      ThHTU8730\begin{array}{|c|c|c|c|} \hline \text{Th} & \text{H} & \text{T} & \text{U} \\ \hline 8 & 7 & 3 & 0 \\ \hline \end{array}

    • b) 558×10=5580558 \times 10 = 5580

      ThHTU5580\begin{array}{|c|c|c|c|} \hline \text{Th} & \text{H} & \text{T} & \text{U} \\ \hline 5 & 5 & 8 & 0 \\ \hline \end{array}

    • c) 469×10=4690469 \times 10 = 4690

      ThHTU4690\begin{array}{|c|c|c|c|} \hline \text{Th} & \text{H} & \text{T} & \text{U} \\ \hline 4 & 6 & 9 & 0 \\ \hline \end{array}

    • d) 723×10=7230723 \times 10 = 7230

      ThHTU7230\begin{array}{|c|c|c|c|} \hline \text{Th} & \text{H} & \text{T} & \text{U} \\ \hline 7 & 2 & 3 & 0 \\ \hline \end{array}

    • e) 104×10=1040104 \times 10 = 1040

      ThHTU1040\begin{array}{|c|c|c|c|} \hline \text{Th} & \text{H} & \text{T} & \text{U} \\ \hline 1 & 0 & 4 & 0 \\ \hline \end{array}
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