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Question
There are a few boxes in the delivery van on Day 1. 17 more boxes are added to it on Day 2. Now, there are 59 boxes in total. Select the number line that shows the number of boxes in the van on Day 1.
There are a few boxes in the delivery van on Day 1. 17 more boxes are added to it on Day 2. Now, there are 59 boxes in total. Select the number line that shows the number of boxes in the van on Day 1.
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Solution
The correct option is D
Say:
Let’s find the number of boxes that were there in the van on Day 1 and choose the correct number line representing it.
Steps:
- Total number of boxes = 59
- Number of boxes added on Day 2 = 17
- Number of boxes on Day 1 = 59 - 17
- To solve 59 - 17, we break apart 17 into 9 and 8.
- We first take 9 backward jumps from 59, to reach 50.
- 59 - 9 = 50.
- We then take 8 more backward jumps from 50 to reach 42.
- 50 - 8 = 42.
- 42 boxes were there on Day 1.
- The number line in option D correctly represents this. Hence, option D is the answer.
Say:
Let’s find the number of boxes that were there in the van on Day 1 and choose the correct number line representing it.
Steps:
- Total number of boxes = 59
- Number of boxes added on Day 2 = 17
- Number of boxes on Day 1 = 59 - 17
- To solve 59 - 17, we break apart 17 into 9 and 8.
- We first take 9 backward jumps from 59, to reach 50.
- 59 - 9 = 50.
- We then take 8 more backward jumps from 50 to reach 42.
- 50 - 8 = 42.
- 42 boxes were there on Day 1.
- The number line in option D correctly represents this. Hence, option D is the answer.
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