Arithmetic math problems

30 problems with worked solutions.

№ 1 · Arithmetic · Grade 1

Lina had 14 colored pebbles. She gave 5 to her brother and found 3 more. How many pebbles does Lina have now?

№ 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 2

An after-school club prepared 26 pencils. Four boxes held five pencils each. How many pencils were left outside the boxes?

№ 8 · 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?

№ 9 · Arithmetic · Grade 2

Of the 52 apples, we filled six bags, putting seven in each. How many apples are left?

№ 10 · Arithmetic · Grade 2

A craftsperson had 63 beads and made five bracelets using 9 beads for each one. How many beads were left?

№ 11 · Arithmetic · Grade 2

Forty-seven badges are arranged in packages of 6 badges. How many complete packages will there be?

№ 12 · 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?

№ 13 · 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?

№ 14 · Arithmetic · Grade 3

The sum of two consecutive natural numbers is 75. Find the larger one.

№ 15 · 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?

№ 16 · Arithmetic · Grade 3

In three days, Dima read 18, 24 and 30 pages. On average, how many pages did he read in one day?

№ 17 · 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?

№ 18 · Arithmetic · Grade 4

How many numbers from 100 to 200 inclusive are divisible by both 6 and 9?

№ 19 · Arithmetic · Grade 4

The sum of three consecutive odd numbers is 87. Find the largest number.

№ 20 · 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?

№ 21 · 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?

№ 22 · 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?

№ 23 · 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?

№ 24 · 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?

№ 25 · Arithmetic · Grade 5

Find the sum of numbers from 1 to 30 that are not divisible by 3.

№ 26 · 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?

№ 27 · Arithmetic · Grade 5

Solve the equation: three times an unknown number plus 17 equals 68. What is the unknown number?

№ 28 · 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?

№ 29 · 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?

№ 30 · Arithmetic · Grade 5

How many different natural factors does the number 360 have, including 1 and the number 360 itself?