Doubles Plus or Minus 1

Doubles Plus or Minus 1

Assessment

Flashcard

Mathematics

3rd Grade

Hard

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16 questions

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1.

FLASHCARD QUESTION

Front

What is 4 + 5?

Back

9

2.

FLASHCARD QUESTION

Front

What is 3 + 4?

Back

7

3.

FLASHCARD QUESTION

Front

What is 9 + 10?

Back

19

4.

FLASHCARD QUESTION

Front

What is 6 + 5?

Back

11

5.

FLASHCARD QUESTION

Front

What is 1 + 2?

Back

3

6.

FLASHCARD QUESTION

Front

What is the concept of 'Doubles Plus 1'?

Back

Doubles Plus 1 means taking a number, doubling it, and then adding 1. For example, for 4, double it to get 8, then add 1 to get 9.

7.

FLASHCARD QUESTION

Front

What is the concept of 'Doubles Minus 1'?

Back

Doubles Minus 1 means taking a number, doubling it, and then subtracting 1. For example, for 4, double it to get 8, then subtract 1 to get 7.

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