1. Mr. C’s Math Challenge
Lessons

2. Two thirds of the children in Room 18 like chocolate ice cream.
Lesson 111
Can you figure this?
Two thirds of the children in Room 18 like chocolate ice cream.
What fractional part of the children do not like chocolate ice cream?
If there are 21 children, how many do not like chocolate ice cream?

3. Lesson 112 1.How many more boys are in R16 than girls in R15?
Can you figure this?
Room
R14
R15
R16
Boys 15 10 ?
Girls 11 9
Total 23 25
Draw the chart on your paper then fill in the missing numbers.
1.How many more boys are in R16 than girls in R15?
2.What fractional part of the children in R14 are girls?

4. Lesson 113
Can you figure this?
Samantha is 122cm tall. Mandy is 117cm tall. Pat is taller than Mandy and shorter than Samantha. Her height is an odd number. What could Pat’s height be?

5. Lesson 114
Can you figure this?
Each child will need 35 pennies. There are 23 children in the class. How many pennies are needed?

6. Use the function rule S=5R+7 to fill in the missing numbers.
Lesson 115
Can you figure this?
Use the function rule S=5R+7 to fill in the missing numbers. R S
*Copy the chart on your paper.