Numoria.Challenge

Inaugural edition 2026

Summer Bowl #1 official results

June 15, 2026 to June 22, 2026

Middle (grades 6–8) · calculator allowed · 7 problems · 45 minutes

Participants
7
Average score
9.9
out of 15
Top score
13
out of 15
Average time
8 min
out of 45
Countries
2
Honduras · Venezuela

🏆 Honor roll

We show each participant's first name and last initial.

RankStudentScore
🥇Ricardo J.Escuela Internacional Sampedrana · Honduras13/15
🥈Dennis P.Escuela Internacional Sampedrana · Honduras12/15
🥈Sebastian F.Escuela Internacional Sampedrana · Honduras12/15
4Carlos A.Escuela Internacional Sampedrana · Honduras10/15
5Mario S.Escuela Internacional Sampedrana · Honduras9/15
6F.Escuela Internacional Sampedrana · Honduras7/15
7CesarIndividual entry · Venezuela6/15

How each problem went

Share of participants who solved each problem. Open each one to see the statement and the solution.

Problem 1 · Money

1 point · 86% solved

See problem and solution

Arithmetic

Numa sold 5 boxes of bracelets and each box earned 24 lempiras. If she spent 30 lempiras on materials, how much total profit did she make?

Answer

90

Solution

First we add what she earned: lempiras. Then we subtract the cost: lempiras.

Problem 2 · Number theory

2 points · 86% solved

See problem and solution

Numbers

What is the smallest three-digit number whose digits add up to 7?

Answer

106

Solution

To make the number as small as possible, the hundreds digit must be the smallest (1) and the tens digit too (0). The units complete the sum: . The number is 106.

Problem 3 · Geometry

2 points · 100% solved

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Geometry

A rectangle is 8 cm long and 5 cm wide. What is the difference between its area (in cm²) and its perimeter (in cm)?

Answer

14

Solution

The area is cm². The perimeter is cm. The difference is .

Problem 4 · Fractions and decimals

2 points · 43% solved

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Fractions

At a party, of a cake was eaten in the morning. In the afternoon, of what was left was eaten. What fraction of the whole cake was eaten in the afternoon?

Answer

1/10

Solution

After the morning, of the cake is left. In the afternoon, of that remainder is eaten: .

Problem 5 · Ratios and proportions

2 points · 71% solved

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Proportions

A recipe for 4 people uses 6 eggs. Keeping the proportion, how many eggs are needed for 10 people?

Answer

15

Solution

Per person, eggs are used. For 10 people: eggs.

Problem 6 · Counting

3 points · 71% solved

See problem and solution

Counting

In how many different ways can the 4 letters of the word NUMA be arranged?

Answer

24

Solution

The 4 letters are all different (N, U, M, A). The number of arrangements is .

Problem 7 · Logic

3 points · 29% solved

See problem and solution

Logic

Numa writes all the whole numbers from 1 to 100. How many times does she write the digit 1 in total?

Answer

21

Solution

We count by position. In the units, 1 appears in 1, 11, 21, ..., 91: that is 10 times. In the tens it appears in 10, 11, ..., 19: another 10 times. In 100 it appears once in the hundreds. Total: .

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