Math: Chapter 12, 8 and 9, 19 and 20, 23

In Chapters 12, we will be learning about measurement. You can expect to see work that provides practice with instruments of measurement.

In Chapters 8 and 9, we will be learning about and practicing division of whole numbers. You can expect to see work that provides practice with dividing numbers with up to four digits by one- and two-digit numbers.


Vocabulary
prime number A whole number that has only itself and 1 as factors.
composite number A whole number that has more than two factors.
divisible One number is divisible by another if the quotient is a whole number and the remainder is 0.

In Chapters 19 and 20, we will be learning about fractions, mixed numbers, and adding and subtracting mixed numbers. Knowing about fractions will help students solve problems that include fractional numbers.


Vocabulary
equivalent fractions Fractions that show different numbers with the same value.
simplest form of a fraction A fraction whose numerator and denominator have the number 1 as the only factor.
improper fraction A fraction that is greater than or equal to 1. The numerator in an improper fraction is greater than or equal to the denominator.

In Chapter 23, we will be learning about probability. You can expect to see work that provides practice with finding probability. Knowing about probability will lay the foundation for the math that students will learn in the years to come.


Vocabulary
tree diagram A diagram that shows combinations of outcomes of an event.