Vocabulary
_______are a set of basic facts using the same 3 numbers.
Related facts
12 counters
2 equal groups
How many counters in each group?
6 in each group
10 divided by 5=
2
10-5=5
5-5=0
Write/Name a fact family for 2,7,14
2x7=14
7x2=14
14/7=2
14/2=7
All 5 family members of the Jones family went to the movies. Their tickets cost a total of $35. How much was each ticket?
$7
An arrangement of objects into equal rows and equal columns is_________.
an array
16 counters
4 equal groups
How many counters in each group?
4 counters in each group
16 divided by 8=
2
16-8=8
8-8=0
Write/Name a fact family for 4, 8, 32
4x8=32
8x4=32
32/4=8
32/8=4
The petting zoo has 21 animals. There are an equal number of goats, ponies, and cows. How many of each animal are there?
7 of each animal
A way to divide by sharing one object at a time until all the objects are gone is to_______.
partition
21 counters
7 in each group
How many equal groups?
3 groups
30 divided by 6=
5
30-6=24
24-6=18
18-6=12
12-6=6
6-6=0
Write/Name a fact family for 24, 6, 4
4x6=24
6x4=24
24/6=4
24/4=6
At the circus, there are 18 clowns. The clowns drive around in little cars. If there are 3 clowns in each car, how many cars are there?
6 cars
Operations that are related are __________ because they undo each other.
inverse operations
25 counters
5 equal groups
How many counters in each group?
5 counters in each group
36 divided by 4=
9
36-4=32
32-4=28
28-4=24
24-4=20
20-4=16
16-4=12
12-4=8
8-4=4
4-4=0
Write/Name a fact family for 5,4, 20
4x5=20
5x4=20
20/4=5
20/5=4
Alice planted 6 tomato plants, 4 bean plants, and 2 pepper plants. Each row had 6 plants. How many rows did Alice plant?
2 rows
___________is a way to subtract the same number over and over again until you reach 0.
Repeated subtraction
24 counters
6 in each group
How many equal groups?
4 equal groups
45 divided by 5=
9
45-5=40
40-5=35
35-5=30
30-5=25
25-5=20
20-5=15
15-5=10
10-5=5
5-5=0
Write the set of numbers for the following fact family
7x4=28
4x7=28
28/7=4
28/4=28
4, 7, 28
Tia finds $8 in her pocket. She uses it and the $27 she has saved to buy socks for her family. If each pair of socks costs $5, how many pairs can she buy?
7 pairs of socks