HSS.ID.A.1 math practice. Learn by doing.

HSS.ID.A.1 practice covers represent data with plots on the real number line (dot plots, histograms, and box plots). Work through 8 free questions with answers and explanations, then continue in the related math games.

Grade 91 mapped skills
What it covers

Skills aligned to HSS.ID.A.1

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8 free questions · 0/0 correct

Practice playeasy

A box plot summarizes the data 2, 4, 5, 7, 9, 11, 13. Find the minimum.

The minimum of the data is 22.

Practice playeasy

A dot plot of quiz scores shows 4 dots above 8, 5 dots above 9, and 3 dots above 10. How many quiz scores are shown in all?

Each dot is one score: 4+5+3=124 + 5 + 3 = 12.

Practice playeasy

A histogram has bins 0-9: 4 values, 10-19: 7 values, 20-29: 5 values. How many data values are there in all?

Add bin frequencies: 4+7+5=164+7+5=16.

Practice playeasy

A box plot summarizes the data 2, 4, 5, 7, 9, 11, 13. Find the maximum.

The maximum of the data is 1313.

Practice playeasy

A dot plot of the number of siblings shows 2 dots above 0, 6 dots above 1, 3 dots above 2, and 1 dot above 3. Which number of siblings occurs most often?

The tallest column (66 dots) sits above 11, so 11 sibling occurs most often.

Practice playeasy

A histogram of daily park visitors has bins 0-19: 5 days, 20-39: 9 days, and 40-59: 2 days. How many more days are in the 20-39 bin than in the 40-59 bin?

Subtract the bin frequencies: 92=79 - 2 = 7.

Practice playeasy

A box plot summarizes the data 1, 3, 3, 5, 8, 8, 10, 12. Find the median.

Order the data; the middle value is 6.56.5.

Practice playeasy

A dot plot shows the goals a team scored in its 8 games: 0 goals in 2 games, 1 goal in 3 games, and 2 goals in 3 games. What fraction of the games did the team score exactly 1 goal?

33 of the 88 games had exactly 11 goal, so the fraction is 38\dfrac{3}{8}.

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Practice HSS.ID.A.1 inside a game.

The placement test chooses the right difficulty while every match keeps the standard in play.