1) How many adults are needed for 9 infants? a) 2 b) 3 c) 4 d) 5 2) How many adults are needed for 12 two-year-olds? a) 2 b) 4 c) 3 d) 5 3) How many adults are required for 16 three-year-olds? a) 1 b) 2 c) 3 d) 4 4) How many adults are needed for 20 four-year-olds? a) 1 b) 3 c) 2 d) 4 5) For 15 afterschool children, how many adults are needed? a) 1 b) 2 c) 3 d) 4 6) There are 8 infants outside at the playground. How many adults must be there? a) 1 b) 2 c) 3 d) 4 7) There are 25 three-year-olds at the playground. How many adults are required? a) 1 b) 2 c) 3 d) 4 8) A group has 30 four-year-olds. How many adults are needed? a) 3 b) 4 c) 5 d) 6 9) How many adults are required to supervise 18 two-year-olds? a) 3 b) 4 c) 5 d) 6 10) A group of 50 afterschool children needs how many adults? a) 4 b) 5 c) 6 d) 7

Ratio Same-Age Groups

由
打印
嵌入

排行榜

视觉风格

选项

切换模板

恢复自动保存：？