Vocab
What is the answer in addition?
What is the answer in subtraction?
sum
difference
Do before 200
The students sat at the rug in 3 rows with 5 students per row.
How many students were at the rug?
Draw an array.
Write a number sentence to describe the array.
ooooo
ooooo
ooooo
3x5=15
There are 15 students at the rug.
There are 12 cookies in a pack. There is an equal amount of 3 types of cookies. Draw a number bond to show how many cookies of each type are in the pack.
4 4 4
Multiples of 3
3-36
3 6 9 12 15 18 21 24 27 30 33 36
What is the answer in multiplication?
product
Do after 100
6 more students joined the class at the rug
Add x to the array.
Write a number sentence for how many students are now at the rug.
oooooxx
oooooxx
oooooxx
3 rows of 7 students = 21 students
3x7=21 students
Make a number bond for 6x4.
______
4 4 4 4 4 4
Multiples of 4
4-48
4 8 12 16 20 24 28 32 36 40 44 48
What are factors?
Example: 4x5=20
factors 4, 5
The Pencil Patrol person found 20 pencils on the ground!
He divided the pencils among 5 groups.
Draw an array to show how many pencils each group got.
////
////
////
//// 5 groups of 4 pencils= 20 pencils
//// 5x4=20 pencils
24 students divided into 2 groups.
Draw a number bond to show how many students per group.
24
______ ______
Multiples of 5
5-60
5 10 15 20 25 30 35 40 45 50 55 60
What is the answer in division?
quotient
24 students divided up equally to sit at 3 lunch tables. How many students per table?
draw an array
write a number sentence
oooo oooo
oooo oooo
oooo oooo
3 tables x 8 students= 24 students total
8 students per table
Ms. Harris had 5 sheets of stickers.
Each sheet had 10 stickers.
Draw a number bond to show how many stickers Ms. Harris had all together.
___________
10 10 10 10 10
Skip count by 2s, odd numbers
1-21
1 3 5 7 9 11 13 15 17 19 21
What is the Commutative Property?
example
4x6=24
6x4=24
4x6=6x4
Farmer Megan has 3 rows of 4 squash in the garden. Two days later she adds 2 more rows of squash.
Complete this sentence below and add an array to show your thinking.
____fours+_____fours=______fours
3 fours+2 fours=5 fours
Draw an array, equal groups, number bond, and write a related fact for:
3x7=21
ooooooo
ooooooo
ooooooo
21/3=7