Primary 1 Mathematics Flashcards: Quantitative Reasoning with Addition and Subtraction

Question 1

Finding the rule that joins a set of numbers so we can find the missing one is called quantitative ____.

Accepted Answer

reasoning

Question 2

When numbers in a pattern get bigger, we are usually ____ the same number each time.

Accepted Answer

adding

Question 3

When numbers in a pattern get smaller, we are usually ____ the same number each time.

Accepted Answer

subtracting

Question 4

Find the missing number: $2, 4, 6, \square$

Accepted Answer

8

Question 5

Find the missing number: $5, 10, 15, \square$

Accepted Answer

20

Question 6

Find the missing number: $3, 6, 9, \square$

Accepted Answer

12

Question 7

Find the missing number: $1, 2, 3, \square$

Accepted Answer

4

Question 8

Find the missing number: $10, 20, 30, \square$

Accepted Answer

40

Question 9

Find the missing number: $4, 8, 12, \square$

Accepted Answer

16

Question 10

Find the missing number: $2, \square, 6, 8$

Accepted Answer

4

Question 11

In the pattern 2, 4, 6, 8, the rule is to add ____ each time.

Accepted Answer

2

Question 12

In the pattern 5, 10, 15, 20, the rule is to add ____ each time.

Accepted Answer

5

Question 13

Find the missing number: $10, 8, 6, \square$

Accepted Answer

4

Question 14

Find the missing number: $9, 7, 5, \square$

Accepted Answer

3

Question 15

Find the missing number: $20, 15, 10, \square$

Accepted Answer

5

Question 16

Find the missing number: $12, 9, 6, \square$

Accepted Answer

3

Question 17

Find the missing number: $10, 9, 8, \square$

Accepted Answer

7

Question 18

Find the missing number: $6, 12, 18, \square$

Accepted Answer

24

Question 19

In the pattern 10, 8, 6, 4, the rule is to subtract ____ each time.

Accepted Answer

2

Question 20

In the pattern 20, 15, 10, 5, the rule is to subtract ____ each time.

Accepted Answer

5

Strong work.