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Write two subtraction equations to show how to find 15-7
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Write two subtraction equations to show how to find 15-7

User Joabe Lucena
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you could make 15 lines and cross out 7 and see what you end up with or make a rectangle and make 14 lines so there are 15 lines/boxes then shade 7 and see how many are not shaded...... the answer is 8 
User Dcmbrown
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