1 · MATH-5B-C13-P01-Q01
Mixed chapter practice: Write the ratio gold:blue for 143 blue and 145 gold counters; explain the order.
Singapore Math 5B · Original independent course
Practice
Practice target: Consolidate chapter 13 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
2 · MATH-5B-C13-P01-Q02
Mixed chapter practice: Find an equivalent ratio to 2:3 by multiplying both terms by 142.
3 · MATH-5B-C13-P01-Q03
Mixed chapter practice: Red to blue tiles are 3:4, and the red count is 435. Find the blue count.
4 · MATH-5B-C13-P01-Q04
Mixed chapter practice: If A:B = 144:145 and B:C = 20590:20732, combine the ratios.
5 · MATH-5B-C13-P01-Q05
Mixed chapter practice: Blue:red = 3:4 and total counters = 1036. Find blue counters.
6 · MATH-5B-C13-P01-Q06
Mixed chapter practice: Compare 147 blue and 150 gold pencils by an ordered ratio.
7 · MATH-5B-C13-P01-Q07
Mixed chapter practice: Are 3:7 and 441:1029 equivalent? Explain.
8 · MATH-5B-C13-P01-Q08
Mixed chapter practice: The ratio cats:dogs is 2:3. If there are 298 cats, how many dogs?
9 · MATH-5B-C13-P01-Q09
Mixed chapter practice: A, B, and C have relative shares 149, 150, 151; write A:B:C.
10 · MATH-5B-C13-P01-Q10
Mixed chapter practice: Find the first share when 1661 items are split in the ratio 4:7; verify both shares sum correctly.
11 · MATH-5B-C13-P01-Q11
Mixed chapter practice: There are 151 blue beads and 153 gold beads. Write blue:gold.
12 · MATH-5B-C13-P01-Q12
Mixed chapter practice: 4 red to 5 blue groups repeat 151 times. What is the combined ratio?