How many marbles?

Martha divided 100 marbles into 5 bags:Bag #1 and #2 contained 52Bag #2 and #3 contained 43Bag #3 and #4 contained 34Bag #4 and #5 contained 30

How many marbles in each bag?

Building BlocksJeannine is bored playing with blocks while babysitting her baby brother. To keep herself amused, she decides to stack up all the blocks so that each row has one less block than the row below. There are a total of 55 blocks, and Jeannine wants to end up with just 1 block on top. How many should she put in the bottom row?

Fabulous Fives

How can you make 5 twos equal five? Here's a solution that uses 5 twos — plus mathematical symbols that make the equation true. 2 × 2 × 2 + 2 ÷ 2 = 5

For each of the three rows below, insert the mathematical symbols (+, -, ÷, ×) that will make the equation correct for someone calculating from left to right.a. 3 3 3 3 3 = 5b. 4 4 4 4 4 = 5c. 5 5 5 5 5 = 5

The hare and the tortoiseHaretown and Tortoiseville are 81 miles apart. A hare travels at 8 miles per hour from Haretown to Tortoiseville, while a tortoise travels at 1 miles per hour from Tortoiseville to Haretown.

If both set out at the same time, how many miles will the hare have to travel before meeting the tortoise en route?

Bicycles or tricycles?

Last weekend, I went to play in the nearby park. It was real fun! I rode my new bicycle that Mom had gifted me on my birthday.

On reaching the park, I saw that there were a total of 16 bicycles and tricycles. If the total number of wheels was 42, how many tricycles were there?

Sums

Insert the numbers 1,2,3,4,5,6,7,8,9 into the bubbles so that each edge adds to the same sum.

Find the missing number

Can you fill in the missing square with the number that logically belongs there?

2 2 2 2

2 6 10 14

2 10 26 50

2 14 50