# Which number can make everyone stand up?

## Which number can make everyone stand up?

The answer to this math riddle is 21. You probably just guessed to answer this math riddle, which is fine, but you can also work it out algebraically. The two-digit number ab stands for 10a + b since the first digit represents tens and the second represents units.

## How many pounds does an odd little fish weigh?

In an odd little town, there was an odd little stream, WIth odd little fish in an odd little team. A stranger approached a local fisherman, And asked him how much his odd little fish weighed. The odd little man replied: All the fish in this stream weigh exactly 1/2 of a pound plus 1/2 of a fish.

What are Flower problems?

If three red flowers add up to 60, then that means each red flower is worth 20. If the yellow flower equals one, and the red flower is equal to 20, and the blue flower’s value is based on the number of petals it has, then the last blue flower has a value of four. This makes the problem: 1 + 20 x 4 = 1 + 80 = 81.

Too much water can be worse for plants than too little water. If the soil stays consistently soggy, plant roots are deprived of oxygen, fungus and disease spread more easily, and the plant may just rot and die. Yellowing, rotten looking leaves or the appearance of fungus on foliage often indicate overwatering.

### What should a 5th Grader know in math?

Math Factors, Multiples, and Fractions – Fifth graders should be able to identify the greatest and least common factor, as well as continue to solve problems with fractions, decimals, percentages, and ratios. Mean, Median, Mode, and Probability – In 5th grade, students will learn about mean, median, and mode.

### What math concepts are taught in 5th grade?

Number System. In fifth grade,students focus on adding,subtracting,multiplying,and dividing whole numbers,fractions,and decimals.

• Ratios. Students will use their knowledge of fractions and decimals in fifth grade to reason ratio and rate problems in sixth grade.
• Expressions&Equations. Students start to distinguish the difference between an expression and an equation. They use variables to represent an unknown number in both expressions and equations.
• Geometry: Students continue classifying figures into categories based on their properties. Your child will learn to find the area of triangles and some quadrilaterals.
• What are Fun math activities for fifth graders?

Subtraction. Subtraction with regrouping can be a challenge for even third and fourth-grade students.

• Multiplication. Next,we have multiplication.
• Division. We move onto division with even more fun math printables for your children to enjoy.
• Decimals
• Fractions
• STEM
• Money
• Geometry
• Measurement
• Place Value. Need engaging math activities for K – 2nd grade!
• What do 5th graders learn in math?

When reading texts, fifth graders should understand how authors use setting, plot and character development to make larger thematic points. Fifth graders may be asked to explain how characters shift throughout a story and to describe how characters’ thoughts or actions reveal their motives and desires.

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