Fact Families
what do we call where three numbers share a relationship? a ________ _________
fact family
Counting on means to....
A. add
B. subtract
A. add
5, 10, ___, 20, 25
15
I have 4 dimes- how much is this?
40 cents
I have 2 groups with 10 grapes in each one- how many grapes do I have in all?
20
what is one addition sentence for the numbers 5,6,11?
5 + 6 = 11 or 6 +5 = 11
Counting back means to ....
A. add
B. subtract
B. Subtract
Count by twos
16, ___,20, 22, ___, 26,
18 and 24
I have 2 dimes and 5 nickels- what two ways can I skip count?
10s and 5s
I have 4 groups with 6 erasers in each group- how many erasers do I have?
24 .........6+6+6+6
What is one subtraction sentence for the numbers 7,8,15
15-8=7 or 15-7=8
Related facts are facts that have numbers in _______
A. I don't know
B. common
C. order
B. common
Count by 5s
25, 30, ____, ____, ____, 50, 55
35, 40, 45
Mrs. Perez had 6 dimes and needs more dimes to make $1.00 so she can buy a coke- count and tell the number of dimes and what she can count by to figure how much more she will need?
60 + 10 +10 +10 +10= $1.oo
4 more dimes and skip counting by 10s
Jerry had 6 spinners. He have 2 to a friend. Then his mom gave him 3 more for his birthday- how many does he have now?
6-2+3=7 7
Which does not belong in the fact family 5,7,12?
12-7=5
12-5=7
12-12=0
5+7=12
12-12=0
Missing Addend means the same as a missing ________ in an equation
Number
Skip Count by 10s
50, ____, _____, ____, _____, _____
60,70,80,90,100
How many dimes are in $2.00? How do you know you are correct?
20-10 dimes in $1.00, so then $2.00=20 dimes
Betty had put all of her candy into 5 groups. There were 4 candies in each group. How much candy did Betty have in all?
5+5+5+5=20 pieces of candy
If 12-5=7, 12-7=5, and 5+7=12, what does 7+5=?
12
When there are 2 things to do in a word problem, it's called a ______-step word problem.
Two
What is this pattern?
14, 16, 18, 20, ___, ___, 26, 28, 30
22 and 24; counting by 2s
Every time someones claps, I give $2 to the whole class- how many claps will I need to give $10.00 away to the whole class?
5- skip count by 2s to 10
Where is Mr. Hurdt's fiancee from? What city? Clue:
Greens________
Greensboro!