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<navigation>
	<popup starttime="00:00:18:500" stoptime="00:00:22:000" pause="5">
		<intent>prompt</intent>
		<paddingTop>0</paddingTop>
			<text>Label these vocabulary words in your study guide.</text>
			</popup>
	<conceptcheck stoptime="00:00:33:200">
		<question>Which statement below will prove this problem to be true? 7 - 4 = 3</question>
		<answer value='7 + 4 = 3'>7 + 4 = 3</answer>
		<answer value='4 + 3 = 7'>4 + 3 = 7</answer>
		<answer value='7 - 3 = 4'>7 - 3 = 4</answer>
		<correct>4 + 3 = 7</correct>
		<incorrect message="Good try. You changed the symbol, but did not use the right numbers.">7 + 4 = 3</incorrect>
		<incorrect message="This sentence is true, but does not prove the problem.">7 - 3 = 4</incorrect>
	</conceptcheck>
	<popup starttime="00:01:28:000" stoptime="00:01:33:000">
		<y>265</y>
		<intent>reminder</intent>
		<text>So, the lesson is that subtraction is NOT commutative.</text>
	</popup>
	<conceptcheck stoptime="00:02:14:500">
		<question>What is the difference?</question>
		<answer value='1741'>1741</answer>
		<answer value='3741'>3741</answer>
		<answer value='1721'>1721</answer>
		<correct>1741</correct>
	</conceptcheck>
	<conceptcheck stoptime="00:05:08:000">
		<question>Try to subtract this on your own.</question>
		<correct>1234</correct>
		<correct>1,234</correct>
		<correct>1, 234</correct>
	</conceptcheck>
</navigation>