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Singapore Math 5B · Original independent course

Practice

Practice target: Consolidate chapter 12 skills through fresh, mixed-format tasks across the objectives taught so far; use distinct numbers and contexts from worked examples.. Check your work only after trying each task.

Mixed consolidation tasks

1 · MATH-5B-C12-P01-Q01

Mixed chapter practice: Explain fair sharing for data [142, 144, 148, 150]; state its mean.

2 · MATH-5B-C12-P01-Q02

Mixed chapter practice: Four test scores average 149. Three are [7, 9, 12]. Find the fourth.

3 · MATH-5B-C12-P01-Q03

Mixed chapter practice: Students record [141, 142, 142, 142, 144, 145] books. State the most frequent observation and its count.

4 · MATH-5B-C12-P01-Q04

Mixed chapter practice: Explain which coordinate is horizontal in (143, 6), then plot it.

5 · MATH-5B-C12-P01-Q05

Mixed chapter practice: A line passes through (0,0) and (2,288). What is y when x=1 at a constant rate?

6 · MATH-5B-C12-P01-Q06

Mixed chapter practice: Four baskets contain 149, 151, 152, 156 apples. What is the average number per basket?

7 · MATH-5B-C12-P01-Q07

Mixed chapter practice: If four values have average 155, find a missing value when the others are [8, 12, 13]. Explain the total.

8 · MATH-5B-C12-P01-Q08

Mixed chapter practice: Build a line plot for [147, 148, 148, 149, 150, 150]. How many observations are at 148?

9 · MATH-5B-C12-P01-Q09

Mixed chapter practice: A map point is 151 units east and 9 units north. Give its ordered pair.

10 · MATH-5B-C12-P01-Q10

Mixed chapter practice: Interpret the line through points [(1, 150), (2, 300), (3, 450), (4, 600)]. State y at x=4 and its unit rate.

11 · MATH-5B-C12-P01-Q11

Mixed chapter practice: Find the average of [152, 154, 156, 158].

12 · MATH-5B-C12-P01-Q12

Mixed chapter practice: Four readings average 160°. Three are [6, 11, 14]. Find the missing reading.