Doubles and Near Doubles

Front

What is a double?

Back

A double is when you add a number to itself. For example, 4 + 4 = 8.

Tags

CCSS.4.OA.B.4

Front

What is a near double?

Back

A near double is when you add a number to a number that is one more or one less than itself. For example, 4 + 5 is a near double because 5 is one more than 4.

Tags

CCSS.1.OA.C.6

CCSS.2.OA.B.2

Front

What is 6 + 6?

Back

12

Tags

CCSS.1.OA.C.6

CCSS.2.OA.B.2

Front

What is 2 + 2?

Back

4

Tags

CCSS.1.OA.C.6

CCSS.2.OA.B.2

Front

What is 4 + 5?

Back

9

Tags

CCSS.1.OA.C.6

CCSS.2.OA.B.2

Front

What is 8 + 7?

Back

15

Tags

CCSS.1.OA.C.6

CCSS.2.OA.B.2

Front

What is 5 + 5?

Back

10

Tags

CCSS.1.OA.C.6

CCSS.2.OA.B.2

Front

If I know that 3 + 3 = 6, what is 3 + 4?

Back

7 (3 + 4 is a near double to 3 + 3).

Tags

CCSS.1.OA.C.6

CCSS.2.OA.B.2

Front

If 7 + 7 = 14, what is 7 + 8?

Back

15 (7 + 8 is a near double to 7 + 7).

Tags

CCSS.1.OA.C.6

CCSS.2.OA.B.2

Front

What is the sum of 1 + 1?

Back

2

Tags

CCSS.1.OA.C.6

CCSS.2.OA.B.2