Doubles and near doubles

Front

What is a double?

Back

A double is when you add a number to itself. For example, 3 doubled is 3 + 3 = 6.

Tags

CCSS.2.OA.C.3

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 it. For example, 4 + 5 is a near double because 4 is close to 5.

Front

What is 2 + 2?

Back

4

Tags

CCSS.1.OA.C.6

CCSS.2.OA.B.2

Front

What is 3 + 3?

Back

6

Tags

CCSS.1.OA.C.6

CCSS.2.OA.B.2

Front

What is 4 + 4?

Back

8

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

What is 6 + 6?

Back

12

Tags

CCSS.1.OA.C.6

CCSS.2.OA.B.2

Front

What is 1 + 1?

Back

2

Tags

CCSS.1.OA.C.6

CCSS.2.OA.B.2

Front

What doubles fact can help solve 3 + 4?

Back

3 + 3 = 6, which is close to 7.

Front

What doubles fact can help solve 4 + 5?

Back

4 + 4 = 8, which is close to 9.