Topic 1 ls. 1-2-3-5

What is the doubles fact of 7 + 8 ?

• 6 + 7

• 7 + 7

• 7+ 7+ 7

Count back to subtract . Use the number line.

11 - 6 = ............

• 7

• 6

• 5

Make a 10 to add . Use the ten frames.

• 5 + 5 + 6 = 16

• 10 + 5 = 15

• 10 +6 = 16

Sara has 16 strawberries. She gets 4 more strawberries from the tree . how many strawberries does she have in all ?

• 20

• 21

• 12

Find the doubles facts .

• 6 + 6 = 12

• 7 + 4 = 11

• 5 + 5 = 10

Sally made 13 mini pizza. Her friends eat 5 of them . How many pizza are there now?

• 13 + 5 = 18

• 13 - 5 = 8

• 5 - 13 = 7

Count on to find the sum. Then, change the order of the addends.

• 5 + 4 = 9

  4 + 5 = 9

• 5 + 5 = 10

  5+ 6 = 11

• 4 + 5 = 9

  9 + 4 = 13

Find doubles and near doubles.

• 8 + 8 = 16

  16 - 8 = 8

• 8 + 8 = 16

  8 + 10 = 18

• 8 + 8 + 10 = 26

Grade 2 girls team scored 18 points in a game. During the first half , they scored 9 points. How many points did they score in the second half of the game?

• 18 - 8 = 10

• 9 + 18 = 27

• 18 - 9 = 9

7 + 9 = ................

• 16

• 17

• 21

• 20