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Answer Key Grade 4 Day 45 Standard 4.NBT.6 Expanded Notation Method Practice Answer Key 1. The small road leading to Mikayla’s house is 414 square yards. The road is 9 yards wide. How long is the road? Expanded Notation Method: 6 40 9 46 yards ) 414 - 360 54 - 54 0 Division Sentence: 414 ÷ 9 = 46 Corresponding Multiplication Sentence: 9 x 46 = 414 2. William mowed lawns for 8 days. He was paid a total of $608. How much was he paid each day? Expanded Notation Method: 6 70 8 76 yards ) 608 - 560 48 - 48 0 Division Sentence: 608 ÷ 8 = 76 Corresponding Multiplication Sentence: 8 x 76 = 608 Wake County Public School System