Lesson: Dividing a Two-Digit Number by a One-Digit Number: Remainders Mathematics • 4th Grade
In this lesson, we will learn how to find the quotients and remainders of a division operation of two-digit numbers by one-digit numbers.
Isabella tries to divide 21 into two equal groups. 21 is an odd number. Odd numbers do not divide equally by 2.
Which of these numbers does not divide equally by 2?
David worked out 37 divided by 5 using a number line.
He made 7 jumps of 5 and one jump of 2.
He says, “37 divided by 5 is 7 remainder 2.”
Use the number line to work out 33 divided by 5.
Amelia had a pile of popsicle sticks. She was using them to make triangles. She noticed that three sticks made a complete triangle. Amelia had 20 popsicle sticks in total.
How many complete triangles can she make?
Would any sticks remain? If yes, how many?