Grade - math word problems - page 778 of 968
Number of problems found: 19341
- Napkin ribbon
Petra invited her friends Olga and Pavel to sew. Olga sewed three tablecloths, Pavel two, and Petra five rectangular napkins measuring 39 times 30 cm. Was it enough for them to decorate 15 meters of ribbon? - Cube diagonal
Calculate the solid diagonal of a cube whose surface equals 24 square centimeters. - Part-time earnings
Petr got a three-day part-time job for the holidays. On the first day, he earned 1/4 of the total amount. On the second day, 2/5 of the last two days, and on the third day, he made CZK 450. How much did you earn in total? - Geometric progression
Determine the quotient and the first member of GP if a3 = 0.39 and a1 + a2 = 0.39. - Lcm simple
Find the least common multiple of these two numbers: 140 175. - Angle
Determine the size of the smallest internal angle of a right triangle whose angles form consecutive terms of an arithmetic sequence. - Arithmetic progression
Determine the twenty-first term and the difference AP if a1 = 0.12 and a1 + a2 = 0.42. - Square s3
Calculate the square's diagonal, where its area is 0.49 cm². And also calculate its circumference. - Area of a cube Calculate the surface area of a cube if its volume is equal to 729 cubic meters.
- Mushroom collection
Peter Milo and Valika collected a total of 88 mushrooms. Valika collected the most - up to 34 mushrooms. How many mushrooms did Peter and Milo collect together? - Average speed
The car left at 9:00 AM and arrived at the destination 144 km away at 11:00 AM. What average speed did he move? - Ball count
Roland has 490 balls. If he gave 145 bullets to Mark, he would still have 100 more bullets than Mark. How many balls did Mark have at the beginning? How many shots do they have together? - Dimensions of glass
An aquarium has dimensions of 64 × 50 × 45 cm and is filled to 5 cm below the upper edge. How many liters of water are in an aquarium? How many square meters of glass are needed to produce an aquarium? - Order Fractions
Arrange the fractions from the smallest to the largest. 2/5, 15/6, 1/4, 5/5, 5/4, 4/10, 6/5. - Rails
18 m railway weighs 1260 kg. How much weighs 100 m of welded railways? - Glass
How many glasses are needed to produce glass with a base of a regular 5-gon if one base triangle in the base is 4.2 square cm and the height is 10 cm? - Z9-I-4
Kate thought of a five-digit integer. She wrote the sum of this number and its half in the first line of the workbook. Write a total of this number and its fifth on the second line. She wrote a sum of this number and its one ninth on the third row. Finall - Tunnels
Mice built an underground house consisting of chambers and tunnels: • every tunnel connects one chamber to another (no dead ends), • exactly three tunnels lead from each chamber to three distinct other chambers, • from every chamber, a mouse can reach any - Arithmetic progression Determine the ninth term and the difference AP if a3 = 4.8 and a2 + a3 = 8.
- Unknown number
16% of the unknown number equals the square root of the number 25. Find this unknown number.
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