Doubles
10+10
20
Write a fact family using the following numbers: 6,8,14
6+8=14
8+6=14
14-8=6
14-6=8
Maya picked 8 orange pumpkins and 5 white pumpkins at the patch. How many pumpkins did Maya pick in all?
8+5=13
Explain what a fact family is.
A fact family are 2 addition and 2 subtraction sentences that use the same 3 numbers.
I am looking at a farm. I see 2 cows and 3 chickens. How many total legs do I see?
14 legs
7+7
14
Write a fact family using the following numbers: 4,7,11
7+4=11
4+7=11
11-4=7
11-7=4
Leo raked up a pile of 14 colorful leaves. A big gust of wind blew 6 of the leaves away. How many leaves are left in Leo's pile?
14-6=8
Use this strategy when 2 numbers are close together or "in the same neighborhood."
The count up strategy
You have a basket with 10 apples. You give 3 to your friend and eat 2 yourself. How many apples are left in the basket?
5 apples
8+8
16
Write a fact family using the following numbers: 9,11,2
9+2=11
2+9=11
11-9=2
11-2=9
Ellie picked 7 red apples and 9 green apples off the orchard trees. How many total apples did Eli pick?
7+9=16
These numbers come in different forms but always include 3 numbers.
Part-part whole
There are 19 students in a classroom. 11 students are wearing blue shirts, and the rest are wearing red shirts. How many students are wearing red shirts?
8 students
9+9
18
Write a fact family using the following numbers: 20,14,6
14+6=20
6+14=20
20-14=6
20-6=14
Grandma baked 12 apple pies for the autumn festival. Later in the afternoon, she baked 10 more pumpkin pies. How many pies did Grandma bake in total?
12+10=22
I am a number less than 20.
If you add 6 to me, you get 15.
If you subtract 4 from me, what number am I left with?
5
If today is Monday and your birthday is in exactly 8 days, what day of the week will your birthday be on?
Tuesday
13+13
26
Write a fact family using the following numbers: 20,30,50
20+30=50
30+20=50
50-20=30
50-30=20
A squirrel hid 28 acorns inside a hollow tree. Later, he ate 8 of them. How many acorns does the squirrel have left in his stash?
28-8=20
A jar had 18 cookies. Leo ate 7 cookies. Then, Maya baked 4 more and put them in the jar. How many cookies are in the jar now?
15 cookies
I am a double-digit number. My tens digit is 3. If you add my tens digit and my ones digit together, you get 7. What number am I?
34