Addition practice problems - page 67 of 77
Number of problems found: 1532
- Bojnický 4232
On the day of the ghosts, 7 ghosts from the oak forest visited the Bojnický castle. But there were already 6 times more of them from the pine forest. There were 4 times more running from the spruce forest than from the oak forest. How many ghosts ran arou - Possible 4231
In class 3C, nine girls wear hairpins, and eight girls wear elastic bands on their hair. However, there are only 14 girls. Is that possible? - Attempts 4225
Jan and I threw the ball in the basket. Out of 18 attempts, I hit six throws. How many throws did I miss? b) If Jano hadn't hit two more hours, he would have been like me. How many throws did Jano miss? - Twenty-fifths 4219
Mom bought 1 eighth of a kg of butter, 1 half of a kg of bread, 6 twenty-fifths of a kg of ham, and 3 tenths of a kg of cheese in the store. Express the weight of all ingredients in grams. Was the purchase heavier or lighter than 1 kg, and by how much? - Cherries 4198
Karel had 36 cherries, more than Maťo. Then he ate 20 and gave 9 to Mat. Who has more cherries now? About how much? - Swallows
Seven swallows, eight tits, and eight sparrows are sitting on a wire. How many totals are fly-off birds sitting on a wire? - Flowers
The flower has six flowers, and each flower has a number. These are the numbers: 20,40,39,28,8,9. What number will be in the middle of the flower so that the numbers come from the flowers when we subtract and add?
- Pines and spruces
They planted 350 spruces and 180 pines in the forest nursery. Forty-six trees withered. How many trees are ok? - Cherries 4155
Lenka divided the cherries into bowls and wrote how many cherries were in each bowl. 1. Bowl 12, 2. Bowl 11, 3. Bowl 8, 4. Bowl 6, 5. Bowl 13. Iva wants 10 cherries in each bowl. Will the cherries be enough? Write down the change in the number of cherries - Octahedron - sum
On each wall of a regular octahedron is written one of the numbers 1, 2, 3, 4, 5, 6, 7, and 8, wherein on different sides are different numbers. John makes the sum of the numbers written on three adjacent walls for each wall. Thus got eight sums, which al - Substituted 4151
Find out what numbers need to be substituted for the letters X, Y, and Z to have the following relation: XZY + XYZ --------- YZX - Educational trails
From point A to point C, an educational trail passes through point B and a red tourist sign; see the picture. In addition, an undrawn abbreviation 1500 meters long, starting at A and ending on the nature trail, can be used. Vojtech found that • the trip f - Summands
Find two summands of the number 42 so that its product is minimized. - Consecutive 4122
The sum of four consecutive natural numbers is 90. Determine these numbers. - Višňovsky 4116
Slovak hockey players scored many goals during their careers. How many were there when Satan scored 15 goals and it was 3 times more than Chara scored? Chara gave 4 times less than Svatoš and Svatoš gave 2 times more than Višňovsky. How many goals did the
- Determine 4113
Determine the sum of an infinite series: 1/3 + 1/9 + 1/27 + 1/81 ... - Three vectors
The three forces whose amplitudes are in ratio 9:10:17 act in the plane at one point to balance. Determine the angles of each of the two forces. - Forces
Forces with magnitudes F1 = 42N and F2 = 35N act at a common point and make an angle of 77°12'. How big is their resultant? - Determine 4083
Determine the sum of complex numbers: 2i² + 2i4 - Together 4071
A family of four saves. The father saved 530 CZK per month, the mother 230 CZK less than the father, Tomáš 275 CZK less than the mother, and Jana 20 CZK more than Tomáš. How much CZK did the family save together in 1 year?
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