Vocab
What is an arrangement of objects, pictures, or numbers in rows and columns called?
an array
Complete these facts:
7x8=__
_x_=__
_÷_=__
_÷_=__
7x8=56
8x7=56
56÷8=7
56÷7=8
Callie collects 20 pictures of cats and puts them in a book that has 5 pages. How many pictures fit equally on each page?
Draw equal groups and solve.
see equal groups.
4 pictures
If you are dividing 18÷2, how many times do you subtract?
9 times.
Any number divided by 1 always equals _______
Give me an example.
that number.
4÷1=4
divide
Why do we use fact families for division and multiplication?
They are the opposite of each other and the multiplication facts use the same numbers as division facts and vice versa.
Delilah has a coloring book with 50 pages in it. She wants to share these pages with 5 of her friends. How many pages will each friend get?
Draw an array and solve.
see array.
10 pages
Draw a bar model to represent 15÷3 and solve
see bar model.
5
Any number (except 0) divided by itself equals ____
Give me an example.
1
8÷8=1
The number that results from dividing (the answer to a division equation)
quotient
9x5=___
5x__=___
__÷__=__
__÷__=__
9x5=45
5x9=45
45÷9=5
45÷5=9
Mila is moving and boxing up her bowls. She has 8 boxes and 48 bowls. How many bowls go in each box?
Draw equal groups or an array and solve.
see equal groups/array.
6 bowls.
If you are dividing 21÷7, how many times do you subtract?
Draw a number line or bar model to show this and solve.
3
0 divided by any number(except 0) equals ____
Give me an example
0
0÷5=0
The number that divides the dividend.
divisor
Make your own set of fact families. You need all 4 equations.
check student work.
A store has 28 pink balls and 12 blue balls. They come in boxes of 5. How many boxes of balls are there?
8 boxes.
What is the division equation that goes along with these subtraction problems?
45-9=36 36-9=27 27-9=18 18-9=9 9-9=0
45÷9=5
Can you divide by 0? Why or why not?
No, you can't divide a number into equal groups if there are no groups.
the number that is to be divided in a division equation
dividend.
Make your own set of fact families using the number 0.
0x4=0
4x0=0
0÷4=0
4÷0=can't be solved.
Write/say a word problem about 25 stickers. (any other item). Then solve the problem.
Draw an array or equal groups.
Ms. Crosier has 25 stickers. She gives an equal amount to 5 of her students. How many stickers does each student get?
5 stickers.
What is the division equation that goes along with these subtraction problems?
90-10=80 80-10=70 70-10=60 60-10=50
50-10=40 40-10=30 30-10=20 20-10=10
10-10=0
90÷10=9
Give me an example of equations that equal 1 & 0 & itself.
Ex: 5÷1=5
5÷5=1
0÷5=0