In this video, a teacher explains how to assess the appropriateness of a linear correlation model by checking three conditions: do the variables are quantitative? Does the scatterplot looks linear? And are there any outliers? Review...

In this video, students learn how to assess the reasonableness of their answers when multiplying fractions by estimating. They are taught to determine which whole number a fraction is closest to on a number line, and then use that whole...

In this lesson, students will learn how to assess the strength of a linear association between two variables by using the correlation coefficient. They will understand how to interpret positive and negative correlations based on the...

In this lesson, students will learn how to assess the reasonableness of subtraction problems by using rounding. By rounding the numbers to the leftmost digit and subtracting, students can determine if the given answer is reasonable or not.

In this video lesson, students will learn how to assess the reasonableness of addition problems by using rounding. The teacher explains the process of rounding each number to the leftmost place of the smallest number and then adding them...

In this lesson, students will learn how to assess the reasonableness of multiplication problem answers using front end estimation. They will practice keeping the first digit of both factors the same and then multiplying to check if the...

In this video lesson, students will learn how to assess the reasonableness of subtraction problems by using rounding. The teacher explains the process of rounding both the minuend and subtrahend to the leftmost place of the smallest...

Do you get sleepy at the end of the day? Do you sometimes have trouble falling asleep? Yoga is a great way to relax and stretch before bed, and can even help you sleep better!
<
br/>
Join us on a relaxing bedtime adventure! Our...

I was curious if molten aluminum is bulletproof, and now you are too!

In this video, the teacher guides students through the process of estimating and solving word problems involving fractions. They explain the concept of benchmark fractions and demonstrate how to use mental estimation to arrive at...

We want to help prevent learning disruptions while school is out by offering families, educators, schools, and districts a 50% discount on all our membership plansef='https://bit.ly/2xiePZg' target='_blank' rel='nofollow'>plans Tests...

Comparing Numbers 1st Grade | Math Worksheets | Kids Academy Whether we realize it or not, most kids have been comparing numbers long before the 1st grade. However, once in school, kids start learning larger and more complex numbers,...

In this video, the teacher explains how to determine which line provides a better fit to a scatterplot by drawing residuals. Residuals represent the difference between the actual values and the predicted values by the line of best fit.

In this lesson, students are taught to identify compatible numbers that match with the dividend and divisor, and then make adjustments to the problem to create a more compatible equation. By doing so, students can check if the quotient...

Sara's family of 4 people want to go to the safari. Each ticket costs 21 dollars, what is a good estimate for the least amount of money they should bring with them to be able to pay for the tickets?

In Sara’s school there are 5 classes in 4th grade ,class 1 has 19 students, class 2 has 21 students, class 3 has 23 students, class 4 has 20 students, and class 5 has 19 students. About how many fourth grade students are in the school...

In the first day of its showing 567 people saw the school play. On the second day 359 people saw it. About how many people watched the play altogether?

In this video, students are taught to round the lead digit to the nearest hundred and then add the rounded numbers to get an estimated sum. By comparing this estimate with the actual sum, students can determine if their answer is...

This video is answering the question of how did Grizzly bears get their name.

In this video, the teacher explains the concept of residuals and how they can be used to assess the appropriateness of a linear regression model for a given data set. The teacher provides examples and demonstrates how to calculate...

In this video, the teacher explains how to compare the variability in weights of professional baseball and soccer players using medians and interquartile ranges. They demonstrate that while baseball players are heavier on average, soccer...

Find out some of NUMBEROCK's tips and tricks to improve your results on your next math test or PARCC assessment. You'll quickly realise there is no reason to have text anxiety when you are mentally prepared for what is to come!

"From self-driving cars to amphibian roadsters, vehicles are evolving to meet human needs. Design Thinking involves taking other people’s ideas onboard.



In this activity, children aged 8-11 will use the IDEA Design Thinking...

"Observing and describing are important 21st century skills. Children compare things in the STEAM fields of science, technology, engineering, art and math.



In this activity, children will make and play a “What Do I See?” game,...