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Complete: \( 1000-300=700 \) Think: \( 10 \mathrm{H}-3 \mathrm{H}=7 \mathrm{H} " \) \( \begin{array}{llll}\text { a) } 1000-400=\ldots \ldots \ldots & \text { b) } 1000-800=\ldots \ldots \ldots & \text { c) } 1000-700=\ldots \ldots \\ 1000-600=\ldots \ldots . . & 1000-200=\ldots \ldots . & 1000-300=\ldots \ldots\end{array} \)

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Feb 18,2025

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\[ \begin{array}{llll} \text{a) } 1000 - 400 = 600 & \text{b) } 1000 - 800 = 200 & \text{c) } 1000 - 700 = 300 \\ \text{d) } 1000 - 600 = 400 & \text{e) } 1000 - 200 = 800 & \text{f) } 1000 - 300 = 700 \\ \end{array} \]

Solution

Let's solve each of the equations step by step, following the pattern established in the example \( 1000 - 300 = 700 \) and thinking in terms of hundreds (H). ### a) \( 1000 - 400 \) 1. Start with \( 1000 \). 2. Subtract \( 400 \): \[ 1000 - 400 = 600 \] ### b) \( 1000 - 800 \) 1. Start with \( 1000 \). 2. Subtract \( 800 \): \[ 1000 - 800 = 200 \] ### c) \( 1000 - 700 \) 1. Start with \( 1000 \). 2. Subtract \( 700 \): \[ 1000 - 700 = 300 \] ### d) \( 1000 - 600 \) 1. Start with \( 1000 \). 2. Subtract \( 600 \): \[ 1000 - 600 = 400 \] ### e) \( 1000 - 200 \) 1. Start with \( 1000 \). 2. Subtract \( 200 \): \[ 1000 - 200 = 800 \] ### f) \( 1000 - 300 \) This is already given as: \[ 1000 - 300 = 700 \] ### Summary of Results Now, let's summarize the results: \[ \begin{array}{llll} \text{a) } 1000 - 400 = 600 & \text{b) } 1000 - 800 = 200 & \text{c) } 1000 - 700 = 300 \\ \text{d) } 1000 - 600 = 400 & \text{e) } 1000 - 200 = 800 & \text{f) } 1000 - 300 = 700 \\ \end{array} \]

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Sure! Let’s fill in those blanks with some calculations. Here you go: a) \( 1000 - 400 = 600 \) b) \( 1000 - 800 = 200 \) c) \( 1000 - 700 = 300 \) \( 1000 - 600 = 400 \) \( 1000 - 200 = 800 \) \( 1000 - 300 = 700 \) Now you've got a nice list of answers! Each subtraction gives you a clear idea of how much is left when you take away a certain amount from 1000. Keep practicing these to sharpen those math skills!

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