Natural numbers + addition - practice problems - page 3 of 12
Number of problems found: 226
- Letters
ABC + DEF = GHIJ replace letters with numbers so that the sum is correct (different letters = different numbers) - Beautiful alley
In the alley, four rows of 10 trees and five rows of 8 trees blossomed. Six of the trees have already blossomed. How many trees still bloom in the alley? - Descending 81911
Calculate the digital sum of the given numbers and arrange the results in descending order: 356,1078,39,4402 - Benjamin 7254
The sum of the years of Simona, Karel, and Benjamin is 54. What will be the sum of their years by seven years? - Forty-six 6412
Forty-six people sat meters away. At the bridge station, two people got out, and six joined. How many people drove on? - Calculate 5792
Calculate the sum of all two-digit numbers created from the digits 0, 1, and 3. We can repeat the digits in the created number. - Pines and spruces
They planted 350 spruces and 180 pines in the forest nursery. Forty-six trees withered. How many trees are ok? - Identity
123456789 = 100 Correct the given identity/equation only using three plus or minus signs. - Children in the classroom
How many children are in the classroom, where Ladislav is 10th lightest and 16th heaviest in class? - One-fifth 6603
There are 445 pupils in the secondary school. One-fifth of them are fifth. How many are fifths and sixes together if there are 98s? - Evaluate 32
Evaluate the following expression: 18 * (1 + 9³) - 3 + (20/2) 18 times (1 + 9 to the 3rd power) minus 3 plus (20 divided by 2) - Evaluate 21
Evaluate 6xy for x=5 and y=2. We are evaluating algebraic expressions and the addition and subtraction of polynomials. - Eight chairs
There are eight chairs by the table, and one more child sitting on each one. There are two times more girls than boys. How many girls and how many boys can there be? - Polynomial: 29981
Calculate the value of a polynomial: 14 * 32 - 27:3 + 11 * 4:2 = - In 2014
In 2014, the average attendance per game for a football team was about (1 × 104) + (9 × 103) + (9 × 102). What is this number in standard form? - A machine 2
A machine shop ordered the following amounts of cold, rolled steel: 1714 lb., 597 lb., and 1043 lb. How many pounds of steel were ordered? - Big number
How many ones (digits) does the number 12345678910111213141516 ... 4647484950 contain? Did we write all natural numbers from 1 to 50 in a row? - The sum 25
The sum of the two numbers is 215. If the ratio is 2: 3, find the larger number. A. 86 B, 129 C. 215 D. 381 - Attended 63784
The math circle is attended by h = 10 boys and k = 5 girls. a) How many students go to the ring? b) How many students are in the ring if five girls and three boys are missing - Wholes add to a mixed
What is 5 wholes + 1 and 3/8? Give your answer as a whole number or as a mixed number in its simplest form.
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