Two-Step Problems on a Camping Trip
0 / 12Two-Step Problems on a Camping Trip
Solve each story in two steps and check that your answer makes sense.
Setting up camp
Solve each problem. Each one takes two steps.
1.
The Rivera family packs 4 bags of marshmallows. Each bag has 9 marshmallows. They eat 15 marshmallows at the campfire. How many marshmallows are left?
Step 1: 4 × 9 = marshmallows packed
Step 2: marshmallows left
2.
Amara's dad buys 6 bundles of firewood. Each bundle has 7 logs. They already had 12 logs at camp. How many logs do they have now?
logs
3.
Mom cooks 48 hot dogs and puts the same number on each of 6 plates. The Lee family eats the hot dogs on 2 of the plates. How many hot dogs does the Lee family eat?
hot dogs
4.
The campground has 245 campsites. On Friday, 128 campsites are full. On Saturday, 46 more campsites fill up. How many campsites are still empty?
campsites
5.
Ranger Ortiz has 100 trail maps. She gives out 9 maps each hour for 8 hours. How many maps does she have left?
maps
Letters for unknowns
A letter stands for the unknown number. Choose the equation or find the value of the letter.
6.
Noah's family sets up 5 tents. They put 4 sleeping bags in each tent. There are 7 more sleeping bags still in the car. Which equation shows s, the total number of sleeping bags?
7.
Sofia has 50 feet of rope. She cuts 3 pieces that are each 9 feet long. The rope that is left is r feet long.
3 × 9 + r = 50
r = feet
8.
The family brings 56 paper cups. They make 7 equal stacks of cups. They use c cups from one stack, and 3 cups are left in that stack.
56 ÷ 7 − c = 3
c = cups
9.
Jada has 36 graham cracker squares. Each s'more uses 2 squares. She makes as many s'mores as she can and gives 5 of them to her cousins. She keeps m s'mores.
36 ÷ 2 − 5 = m
m = s'mores
Does it make sense?
Use rounding to estimate. Then decide if each answer is reasonable.
10.
The camp store had 403 bottles of water. Campers bought 188 bottles on Saturday and 97 bottles on Sunday. Leo says 312 bottles are left. Round each number to the nearest hundred. Is Leo's answer reasonable?
11.
Maya's family gathers 58 sticks in the morning and 33 sticks in the afternoon. They burn 39 sticks in the campfire. How many sticks are left?
Estimate by rounding each number to the nearest ten: about sticks
Exact answer: sticks
12.
Ava's family brings 7 packs of juice boxes with 6 juice boxes in each pack. They drink 19 juice boxes. Ava says 23 juice boxes are left. Is her answer reasonable? Use estimation to explain.