Length - 5th grade (10y) - math problems
- Cyclist 12
What is the average speed of a cycle traveling at 20 km in 60 minutes in km/h?
- My father
My father cut 78 slats on the fence. The shortest of them was 97 cm long, the longer one was 102 cm long. What was the total length of the slats in cm?
- The swallow
The swallow will fly 2.8 km per minute. How many km will the swallow fly in one hour?
- Football field
The soccer field may have a width of 45 meters. This is 45 meters less than the length of the course. What can be the length of the football field?
- Cottage house
The village is 28 km from the cottage. Father goes from village to cottage. Son goes from the cottage to the village. They meet 10 km further behind the cottage. How much did dad walk?
- Wood 11
Father has 12 1/5 meters long wood. Then I cut the wood into two pieces. One part is 7 3/5 meters long. Calculate the length of the other wood?
- Photo frame
A square shape photo with a side length of 20 cm is framed by a 4 cm wide bar. Find the external frame size of this photo (the frame is from all sides)
Cyclist drives 5 km in half an hour, how long will drive in 3 hours?
- The rod
The rod has a length of 90cm. Half is painted blue, the third is red and the rest is yellow. How long is the yellow part of the rod?
- The third
The one-third rod is blue, one-half of the rod is red, the rest of the rod is white and measures 8 cm. How long is the whole rod?
How many different rectangles with sides integers (in mm) have a circumference exactly 1000 cm?
- Christmas napkins
The girls embroidered Christmas napkins. Each napkin had the shape of a triangle with sides of 5 dm, 60 cm, and 800 mm. How many cms did the girls sew if they made 15 napkins?
Ivo wants to draw all the triangles whose two sides of which have a length of 4 cm and 9 cm and the length of the third side is expressed in whole centimeters. How many triangles does he have?
Find the circumference of the table, where the long side is 1.28 meters and the short side is 86 cm.
- Class alphabet
All 29 pupils in the class are written in a class by alphabet. The number of pupils enrolled before Paul is three times higher than the number of pupils behind him. Calculate how many pupils are enrolled after Paul.
- Tailor 5
A tailor uses 13/4m of cloth to stitch a skirt. How many metres of cloth is needed to stitch 16 skirts?
- Cords joining
Mum needs 6 cords long 360cm long. How many does she need when they are sold at 9 meters and does not want to join it up?
How many cubic centimeters of clay is in a pit of dimensions 4 m x 3 m x 3 m?
The truck passed 4550 km in 5 days. The first three days passed every day the same way. The fourth day passed 630 km and the fifth day was 920 km. How many km has passed the first three days?
- Bean bag
A student tossed a bean bag. It landed 216 inches away. How many yards are equal to 216 inches?
Do you want to convert length units?