№ 1 · Arithmetic · Grade 1
Arithmetic math problems
54 problems with worked solutions.
Collections by grade
7 problemsGrade 2
8 problemsGrade 3
8 problemsGrade 4
14 problemsGrade 5
10 problemsGrade 6
7 problems
№ 2 · Arithmetic · Grade 1
Three friends shared 18 stickers equally. Then Vera gave Sonya two of her stickers. How many stickers does Sonya have now?
№ 3 · Arithmetic · Grade 1
A robot took 6 steps right, 2 steps left, and 5 more steps right. How many steps to the right of its starting point did it end up?
№ 4 · Arithmetic · Grade 1
18 lanterns were prepared for the holiday. Seven of the lanterns were blue, and the rest were yellow. How many yellow lanterns were there?
№ 5 · Arithmetic · Grade 1
Twenty cards were shared equally among four children. Then each child gave one card to the teacher. How many cards did each child have left?
№ 6 · Arithmetic · Grade 1
Nina is 7 years old, and Pavel is 2 years older than Nina. How old is Pavel?
№ 7 · Arithmetic · Grade 1
A basket held 27 apples. Eight were used for a pie, and then 6 more were added. How many apples are in the basket now?
№ 8 · Arithmetic · Grade 2
An after-school club prepared 26 pencils. Four boxes held five pencils each. How many pencils were left outside the boxes?
№ 9 · Arithmetic · Grade 2
There are six rows of seven chairs in the hall. There are bags on five chairs, the rest are empty. How many chairs are free?
№ 10 · Arithmetic · Grade 2
Of the 52 apples, we filled six bags, putting seven in each. How many apples are left?
№ 11 · Arithmetic · Grade 2
A craftsperson had 63 beads and made five bracelets using 9 beads for each one. How many beads were left?
№ 12 · Arithmetic · Grade 2
Forty-seven badges are arranged in packages of 6 badges. How many complete packages will there be?
№ 13 · Arithmetic · Grade 2
A warehouse held 96 boxes. Each of 4 trucks was loaded with 15 boxes. How many boxes remained?
№ 14 · Arithmetic · Grade 2
A hall had 54 chairs arranged in equal rows of 6. A total of 3 complete rows were removed. How many chairs remained?
№ 15 · Arithmetic · Grade 2
There are 8 pencils in each of 7 boxes, plus 13 loose pencils. Nine pencils were handed out. How many remained?
№ 16 · Arithmetic · Grade 3
Of the 84 tokens, half were distributed to the players. A third of the remaining ones were put in a box. How many tokens are left on the table?
№ 17 · Arithmetic · Grade 3
A bakery made 50 buns. In the morning, it sold two fifths of all the buns. In the evening, it sold another fifth of the original amount. How many buns were left?
№ 18 · Arithmetic · Grade 3
The sum of two consecutive natural numbers is 75. Find the larger one.
№ 19 · Arithmetic · Grade 3
Katya had 72 stickers. She gave a quarter of all the stickers to her sister and a sixth of all the stickers to her friend. How many stickers are left?
№ 20 · Arithmetic · Grade 3
In three days, Dima read 18, 24 and 30 pages. On average, how many pages did he read in one day?
№ 21 · Arithmetic · Grade 3
Find the sum of four consecutive numbers, starting with 17.
№ 22 · Arithmetic · Grade 3
A library has 96 new books. Three eighths of them were placed on the top shelf. How many books went on the top shelf?
№ 23 · Arithmetic · Grade 3
The mean of 14, 18, and one more number is 17. What is the third number?
№ 24 · Arithmetic · Grade 4
Three identical boxes contain 120 tokens in total. One quarter of the tokens was taken from each box. How many tokens were taken altogether?
№ 25 · Arithmetic · Grade 4
How many numbers from 100 to 200 inclusive are divisible by both 6 and 9?
№ 26 · Arithmetic · Grade 4
The sum of three consecutive odd numbers is 87. Find the largest number.
№ 27 · Arithmetic · Grade 4
64 board games were brought to the club. Three-eighths were given to the younger group, then a quarter of the rest to the older group. How many games are left?
№ 28 · Arithmetic · Grade 4
There are two ribbons 84 and 126 centimeters long. Both must be cut without leaving any residue into identical pieces of the greatest possible length. What is the length of one segment?
№ 29 · Arithmetic · Grade 4
There were 160 liters of water in the tank. Three-eighths of all water was used for irrigation. How many liters are left in the tank?
№ 30 · Arithmetic · Grade 4
The arithmetic mean of five numbers is 24. The sum of the first four numbers is 90. What is the fifth number?
№ 31 · Arithmetic · Grade 4
Red, blue and green tokens are taken in a ratio of 2: 3: 5. There are 80 tokens in total. How many of them are blue?
№ 32 · Arithmetic · Grade 4
Two lights flash together. The first flashes every 12 seconds and the second every 18 seconds. After how many seconds will they flash together again?
№ 33 · Arithmetic · Grade 4
Ribbons are 84 and 126 centimeters long. They must be cut into equal pieces of the greatest possible length with no remainder. How long is each piece?
№ 34 · Arithmetic · Grade 4
A number was multiplied by 5, and then 17 was added. The result was 92. What was the number?
№ 35 · Arithmetic · Grade 4
A club has 320 children. Fifteen percent of them take part in an exhibition. How many children participate?
№ 36 · Arithmetic · Grade 4
A bus traveled at 72 kilometers per hour for 2 hours 15 minutes. How far did it travel?
№ 37 · Arithmetic · Grade 4
A tank held 240 liters of water. First, three eighths of all the water was used, then one third of the remainder. How many liters remained?
№ 38 · Arithmetic · Grade 5
Find the sum of numbers from 1 to 30 that are not divisible by 3.
№ 39 · Arithmetic · Grade 5
Two warning lights flash every 12 and 18 seconds. Now they blinked simultaneously. In how many seconds will this happen again for the first time?
№ 40 · Arithmetic · Grade 5
Solve the equation: three times an unknown number plus 17 equals 68. What is the unknown number?
№ 41 · Arithmetic · Grade 5
The book has 240 pages. On the first day, they read a third of the book, and on the second, a quarter of the remaining pages. How many pages are left after two days?
№ 42 · Arithmetic · Grade 5
One craftsperson can complete an order in 6 hours, and another can complete it in 3 hours. How many hours will they need to complete the same order if they work together at constant rates?
№ 43 · Arithmetic · Grade 5
How many different natural factors does the number 360 have, including 1 and the number 360 itself?
№ 44 · Arithmetic · Grade 5
In a group, the ratio of boys to girls is 3:5. There are 32 children altogether. How many are girls?
№ 45 · Arithmetic · Grade 5
A warehouse has 640 parts. Inspectors selected 12.5 percent of them. How many parts were selected?
№ 46 · Arithmetic · Grade 5
The number 500 was increased by 20 percent, and then the result was decreased by 20 percent. What number was obtained?
№ 47 · Arithmetic · Grade 5
One robot assembles 18 parts per hour and another assembles 12 per hour. How many parts will they assemble together in 4 hours?
№ 48 · Arithmetic · Grade 6
A book has 240 pages. Lena read three fifths of the book on the first day and 18 more pages on the second day. How many pages are left?
№ 49 · Arithmetic · Grade 6
Seven twelfths of a number equal 84. What is the number?
№ 50 · Arithmetic · Grade 6
Three segments have lengths in the ratio 3:4:5, and their total length is 144 centimeters. What is the length of the longest segment?
№ 51 · Arithmetic · Grade 6
A price of 800 rubles was increased by 15 percent, then the new price was reduced by 10 percent. What is the final price in rubles?
№ 52 · Arithmetic · Grade 6
Five containers have an average mass of 42 kilograms. Four containers together weigh 158 kilograms. How many kilograms does the fifth container weigh?
№ 53 · Arithmetic · Grade 6
A number was multiplied by 4, then 18 was subtracted from the result. The result was 70. What was the original number?
№ 54 · Arithmetic · Grade 6