Multi-digit decimal operations Transitional Reasoning Download PDF
4 Math practice questions on Multi-digit decimal operations. Questions that build towards applied reasoning.
Questions
- 1.
An automated delivery drone begins its mission with a fully charged battery holding 55.4 watt-hours (Wh) of energy. During the outward trip, it flies for 14.5 minutes consuming 1.6 Wh per minute, and then hovers for 3.2 minutes at the delivery point consuming 1.85 Wh per minute. On its return trip, the drone operates at an energy consumption rate of 1.44 Wh per minute and touches down at the base with exactly 9.72 Wh remaining in the battery. How many minutes did the return trip take?
- 2.
A water treatment facility operates an advanced filtration system that processed 137.7 kiloliters of water during a continuous 4.5-hour trial. Following a mechanical filter enhancement, the system's processing rate increased by exactly 6.8 kiloliters per hour. At this upgraded hourly rate, how many kiloliters of water will the system process during a 7.25-hour operational shift?
- 3.
An artisanal honey producer starts the morning with a stainless-steel vat containing 48.3 kilograms of clover honey. An automated dispenser first fills 28 medium jars with exactly 0.65 kilograms of honey each. The remaining honey in the vat is then completely dispensed into smaller sample jars holding 0.35 kilograms each. How many smaller sample jars are filled with the remaining honey?
- 4.
A carpenter begins with a timber plank measuring 18.75 meters in length to build custom shelving. She cuts 6 support beams that are each 1.85 meters long and 4 display panels that are each 1.45 meters long. Each of the 10 separate saw cuts removes an additional 0.05 meters of wood as sawdust waste. How many meters of the timber plank remain after all pieces are cut?