Math for Parents
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13 articles about Data & Probability
Third graders move beyond simple bar graphs to line plots with fractions and scaled bar graphs where each square represents more than one. Here is how to teach your child to collect, display, and interpret data at the third-grade level.
A practical guide for teaching first graders to collect data with tally charts, build simple bar graphs, and answer questions by reading data displays. Includes hands-on activities and parent-child dialogue.
A hands-on guide for teaching second graders to read and create pictographs, bar graphs, and simple data tables. Includes concrete activities, sample parent-child dialogue, and readiness signals for 7-8 year olds.
Line plots and stem-and-leaf plots organize data so patterns become visible. Here is how to teach both so your child can create and read them confidently.
Data and graphs connect math to real questions. Most kids learn to read graphs without learning to think about data. Here is how to teach both, the skill of reading and the habit of questioning.
Seventh graders learn to summarize data with mean, median, mode, and MAD, then connect experimental and theoretical probability. This guide gives homeschool parents a clear teaching sequence with hands-on activities and sample dialogue.
Eighth graders must interpret scatter plots, draw lines of best fit, read two-way tables, and distinguish correlation from causation. This guide walks you through teaching each skill with concrete activities and real data.
A quick reference explaining the three measures of center, mean, median, and mode, with examples showing when to use each one.
Mean, median, and mode are three ways to find the 'middle' of a data set, but each tells a different story. Here is how to teach them so your child knows which one to use and why.
A simple explanation of probability, what it measures, how to calculate it, and what the numbers mean. Written for parents.
Probability is how we measure uncertainty, and kids encounter it every time they flip a coin or roll a die. Here is how to teach probability so it is intuitive, not just a formula.