Unknown-addend problems Transitional Reasoning Download PDF
5 Math practice questions on Unknown-addend problems. Questions that build towards applied reasoning.
Questions
- 1.
A regional transit train departed the central terminal carrying an unrecorded initial group of passengers. At the first junction, 148 additional passengers boarded the train, and at the technology park, another 87 passengers boarded without anyone disembarking. When the train arrived at the final coastal station, the automated turnstiles registered a total of 510 exiting passengers. How many passengers were on board the train when it departed the central terminal?
- 2.
Two classes organized a recycling project with the goal of collecting an equal number of metal cans. Class A collected 142 aluminum cans and 88 steel cans in total. Class B has collected 165 cans so far. How many more cans must Class B collect to match the total number of cans collected by Class A?
- 3.
A nature reserve features an observation route with a total distance of 360 meters divided into three connected sections: a forest trail, a marsh boardwalk, and a meadow path. The forest trail is 115 meters long, and the meadow path is 95 meters long. What is the length of the marsh boardwalk needed to complete the full observation route?
- 4.
A community youth center organized a volunteer day with the goal of assembling 500 care packages. During the morning shift, volunteers assembled 185 packages, and a second group assembled an unrecorded number of packages during the afternoon shift. At the start of the evening shift, the coordinator announced that exactly 140 packages were still needed to reach the 500-package goal. How many care packages were assembled during the afternoon shift?
- 5.
A school library set a goal of collecting 85 books during a reading drive. In the first week, students donated 32 storybooks and 19 science books. How many more books must be donated in the second week to reach the goal?