Doubles
What is the doubles fact for the number 2?
2+2=4
What is the doubles plus one fact for 8+7=15?
7+7+1=15
Name the doubles minus one fact for 3.
2+2-1=3
You see 14 zebras and 4 elephants at the zoo. Then you see 20 snakes. How many animals do you see in all?
38
What is 20 + 30?
50
What is the doubles fact for the number 10?
10+10=20
What is the doubles plus one fact for 10+11=21?
10+10+1=21
Name the doubles minus one fact for 11.
6+6-1=11
Your class sells 40 raffle tickets. Your friend's class sells 15 more than your class. How many raffle tickets do your class and your friend's class sell in all?
55
What is the sum of 25+15?
40
What is the doubles fact for the number 15?
15+15=30
Name the doubles plus one fact for 9.
4+4+1=9
Name the doubles minus one fact for 7.
4+4-1=7
What is the expanded form of 75?
70+5
What doubles fact can I use to get to 40?
Write a doubles plus one fact using the number 4.
4+4+1=9
Write a doubles minus one fact using the number 15
15+15-1=29
You win 14 tokens at one game and 15 at another. You and your friend have 40 tokens in all. How many tokens does your friend have?
11
What is 48+49?
97
Name the two doubles facts that can help me solve 7+6=13.
7+7=14
and
6+6=12
Write a doubles plus one fact using the number 30.
30+30+1=61.
Write a doubles minus one fact using the number 42.
You have 25 boxes to move. Your find more 17 boxes to move. Your cousin has some boxes to move. You and your cousins have 60 boxes in all. How many boxes does your cousins have?
18
What is the expanded form of the sum of 37+49?
80+6