Vocabulary
Count On
Doubles
Doubles +1
Grab Bag
100
What are doubles?
Both addends are the same.
100
4+2=
4+2=6
100
4+4=
4+4= 8
100
3+4=
3+4=7
100
Which is a doubles fact? 3+3=6 or 3+7=10
3+3=6
200
What is an addend?
The numbers you add.
200
3+3=
3+3=6
200
5+5=
5+5= 10
200
5+6=
5+6=11
200
Jodie has 3 pencils. Billy has the same amount of pencils. How many pencils do they have altogether?
3+3= 6 pencils
300
What are the addends in the problem 2+4=6?
2 and 4 are the addends
300
9+3=
9+3+12
300
6+6=
6+6=12
300
6+7=
6+7=13
300
What does "count on" mean?
count up to find the sum
400
What are the doubles in the problem 4+4=8?
4 and 4 are the doubles.
400
6+7=
6+7= 13
400
7+7=
7+7= 14
400
8+7=
8+7= 15
400
12+12=
12+12= 24
500
What are doubles plus 1?
Their addends are neighbors on the number line.
500
8+3=
8+3= 11
500
9+9=
9+9=18
500
9+10=
9+10= 19
500
Freddy has 3 pieces of toast for breakfast, and 4 pieces of toast for a snack. How many pieces of toast did Freddy eat today?
3 +4= 7
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