Operations and Algebraic Thinking: Math for 1st Graders

Question 1

Let's imagine we have 2 apples and we add 3 more apples. Which number sentence tells us how many apples we have in total?

Accepted Answer

2 + 3 = 5

Answer

2 - 3 = 5

Answer

3 + 2 = 6

Answer

3 - 2 = 1

Question 2

We have 3 apples and add 4 more apples. How many apples do we have now?

Accepted Answer

7

Answer

5

Answer

6

Question 3

I have 5 apples. I eat 2 apples. How many apples do I have left?

Accepted Answer

3

Answer

7

Answer

6

Question 4

What number is one more than 10?

Accepted Answer

11

Answer

9

Answer

12

Question 5

What is the difference between 10 and 5?

Accepted Answer

3

Answer

5

Answer

7

Question 6

Let's add! What is 5 plus 3?

Accepted Answer

7

Answer

8

Answer

6

Answer

9

Question 7

Let's talk about shapes! Which shape has 4 sides that are the same length and 4 corners that are square?

Accepted Answer

Square

Answer

Circle

Answer

Triangle

Answer

Rectangle

Question 8

Let's find the difference! What is 9 minus 5?

Accepted Answer

3

Answer

2

Answer

4

Answer

5

Question 9

Let's find the number sentence for 5 plus 2. Which one is it?

Accepted Answer

5 + 2 = 7

Answer

5 + 2 = 3

Answer

2 + 5 = 7

Answer

2 + 5 = 3

Question 10

Imagine we have 4 birds on a branch. Then, 2 more birds fly in. How many birds are there in total now?

Accepted Answer

6

Answer

2

Answer

4

Answer

8

Question 11

A farmer has a group of sheep. He has 7 in total, but he sells 3 of them. How many sheep does he have now?

Accepted Answer

4

Answer

7

Answer

10

Answer

14

Question 12

Let's solve this puzzle! We have a number sentence: 4 + __ = 8. What number should go in the blank?

Accepted Answer

6

Answer

2

Answer

4

Answer

8

Question 13

Imagine we have groups of things. Each group has 2 things. If we have 3 groups, how can we write that using multiplication?

Accepted Answer

3 x 2

Answer

3 + 2

Answer

2 + 3

Answer

2 x 3

Question 14

Farmer Joe started with 4 cows. He bought 3 more. How many cows does he have now?

Accepted Answer

4 + 3 = 7

Answer

4 - 3 = 1

Answer

3 + 4 = 12

Answer

3 - 4 = -1

Question 15

Which equation shows taking 3 away from 8?

Accepted Answer

8 - 3 = 5

Answer

8 + 3 = 5

Answer

3 - 8 = -5

Answer

3 + 8 = 11

Question 16

There are 6 birds on a branch. 2 fly away. How many birds are left?

Accepted Answer

6 - 2 = 4

Answer

2 + 6 = 4

Answer

2 - 6 = -4

Answer

6 + 2 = 8

Question 17

What is the difference between 5 and 7?

Accepted Answer

7 - 5 = 2

Answer

5 + 7 = 2

Answer

5 - 7 = -2

Answer

7 + 5 = 12

Question 18

Farmer Brown has 9 pigs. He sells 5. How many pigs does he have left?

Accepted Answer

9 - 5 = 4

Answer

5 + 9 = 4

Answer

9 + 5 = 14

Answer

5 - 9 = -4

Question 19

Which equation shows that an unknown number added to 3 equals 7?

Accepted Answer

3 + x = 7

Answer

x - 3 = 7

Answer

3 + 7 = x

Answer

7 - 3 = x

Question 20

There are 8 flowers in a vase. Peter takes away 4. How many flowers are left?

Accepted Answer

8 - 4 = 4

Answer

4 - 8 = 4

Answer

8 + 4 = 12

Answer

4 + 8 = 12

Question 21

Which picture shows 2 groups of 4?

Accepted Answer

[Image of 2 groups of 4 dots]

Answer

[Image of 1 group of 8 dots]

Answer

[Image of 4 groups of 2 dots]

Answer

[Image of 8 dots scattered randomly]

Question 22

Sarah has 4 apples. She gives 2 apples to her friend. How many apples does Sarah have left?

Accepted Answer

2

Answer

4

Answer

6

Answer

8

Question 23

There are 4 birds on a tree branch. 3 more birds come to join them. How many birds are there now?

Accepted Answer

7 birds

Answer

1 bird

Answer

11 birds

Question 24

Which number sentence shows taking away 2 from 5?

Accepted Answer

5 - 2

Answer

2 - 5

Answer

5 + 2

Question 25

There are 7 flowers in a vase. You pick 3 flowers. How many flowers are left in the vase?

Accepted Answer

4 flowers

Answer

10 flowers

Answer

13 flowers

Question 26

If a farmer has 9 cows and sells 4 cows, how many cows does he have left?

Accepted Answer

5 cows

Answer

13 cows

Answer

15 cows

Question 27

Which of these words shows the number 5?

Accepted Answer

Five

Answer

Three

Answer

Two

Answer

Four

Question 28

How many are 2 and 3 together?

Accepted Answer

5

Answer

1

Answer

4

Answer

6

Question 29

What number comes after 4 in this pattern: 2, 4, ___, 8?

Accepted Answer

6

Answer

5

Answer

7

Answer

8

Question 30

If you have 3 groups of 2, how many do you have in total?

Accepted Answer

6

Answer

4

Answer

5

Answer

7

Question 31

You have 7 apples and eat 2. How many apples do you have left?

Accepted Answer

5

Answer

9

Answer

11

Question 32

Which number is bigger than 6 but smaller than 9?

Accepted Answer

7

Answer

3

Answer

12

Question 33

What is the answer to 2 plus 5?

Accepted Answer

7

Answer

3

Answer

10

Question 34

You have 8 marbles and give 4 to your friend. How many marbles do you have left?

Accepted Answer

4

Answer

12

Answer

24

Question 35

Which equation means 'put together 3 groups of 2'?

Accepted Answer

2 + 2 + 2

Answer

2 - 2 - 2

Answer

3 + 4

Answer

3 - 4

Question 36

Maria has 5 apples. She gives 2 apples to her friend. How many apples does she have left?

Accepted Answer

3

Answer

5

Answer

7

Answer

9

Question 37

Which number is one more than 7?

Accepted Answer

8

Answer

6

Answer

7

Answer

9

Question 38

What number comes before 10?

Accepted Answer

9

Answer

8

Answer

10

Answer

11

Question 39

I have 8 apples. I eat 2 apples. How many apples do I have now?

Accepted Answer

6

Answer

10

Answer

2

Question 40

Which number is bigger: 4 or 7?

Accepted Answer

7

Answer

4

Answer

They are the same

Question 41

What number is missing in this pattern: 2, 4, ___, 8?

Accepted Answer

6

Answer

5

Answer

7

Question 42

I have a basket with 10 strawberries. I take away 4 strawberries. How many strawberries are left?

Accepted Answer

6

Answer

4

Answer

10

Question 43

You have 3 apples. I give you 4 more apples. How many apples do you have now?

Accepted Answer

7

Answer

3

Answer

4

Answer

10

Question 44

You have 10 cookies. You eat 3 cookies. How many cookies do you have left?

Accepted Answer

7

Answer

10

Answer

3

Answer

0

Question 45

You have 4 red apples and 3 green apples. How many apples do you have in total?

Accepted Answer

7

Answer

3

Answer

4

Answer

12

Question 46

You start with 6 pencils. You give 2 pencils to your friend. How many pencils do you have now?

Accepted Answer

4

Answer

2

Answer

6

Answer

8

Question 47

What is the difference between 9 and 5?

Accepted Answer

4

Answer

1

Answer

9

Answer

14

Question 48

Which of these number sentences shows the addition of 2 and 4?

Accepted Answer

2 + 4

Answer

2 x 4

Answer

4 - 2

Answer

4 ÷ 2

Question 49

There are 5 birds on a tree. More 3 birds fly in. How many birds are there altogether?

Accepted Answer

5 + 3

Answer

3 x 5

Answer

5 - 3

Answer

5 ÷ 3

Question 50

Which of the following means taking away 3 from 7?

Accepted Answer

7 - 3

Answer

3 - 7

Answer

7 x 3

Answer

3 ÷ 7

Question 51

Sarah has 6 apples. She gives 2 to her friend. How many apples does she have left?

Accepted Answer

6 - 2

Answer

6 + 2

Answer

6 ÷ 2

Answer

2 x 6

Question 52

What is 4 + 2 - 1?

Accepted Answer

5

Answer

1

Answer

3

Answer

7

Question 53

A farmer has 8 cows. He buys 4 more. How many cows does he have now?

Accepted Answer

8 + 4

Answer

8 - 4

Answer

4 ÷ 8

Answer

4 x 8

Question 54

Which of these number sentences is true?

Accepted Answer

5 + 4 = 9

Answer

5 - 4 = 9

Answer

4 - 9 = 5

Answer

9 - 4 = 5