Algebra for Second Graders: Patterns and Equations Made Fun

Question 1

To solve the equation 5 + x = 10, what should we do first?

Accepted Answer

Subtract 5 from both sides to get x = 5.

Answer

Switch the numbers around to make it 10 + x = 5.

Question 2

A box contains 5 pencils, each measuring 3 inches in length. Which algebraic expression represents the total length of all the pencils in inches?

Accepted Answer

3 * 5

Answer

5 + 3

Answer

5 - 3

Question 3

In the equation 3 + x = 7, what does the equal sign (=) mean?

Accepted Answer

The numbers on both sides of the equation are equal.

Answer

The numbers on both sides of the equation are not equal.

Answer

We need to add 7 to both sides of the equation.

Question 4

In the equation 24 + x = 36, what does 'x' represent?

Accepted Answer

The unknown number that, when added to 24, equals 36

Answer

The number of toys in a box

Answer

The number of crayons in a pack

Question 5

We have a pattern where the y-value is always 3 more than the x-value. Which equation shows this pattern?

Accepted Answer

y = x + 3

Answer

y = 2x + 1

Answer

y = x - 2

Answer

y = 3x + 2

Question 6

Which equation shows that multiplying a number x by 3 gives you 12?

Accepted Answer

3 x = 12

Answer

x + 3 = 12

Answer

12 - x = 3

Answer

x - 3 = 12

Question 7

John has 3 apples. He buys 4 more apples. How many apples does he have now?

Accepted Answer

7

Answer

1

Answer

4

Answer

11

Question 8

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

Accepted Answer

3

Answer

5

Answer

7

Question 9

Which expression represents "5 less than a number"?

Accepted Answer

x - 5

Answer

5 + x

Answer

5 - x

Answer

x / 5

Question 10

Which number sentence shows the same value as 5 plus 5?

Accepted Answer

10

Answer

5 multiplied by 5

Answer

5 minus 5

Question 11

What's the next number in this pattern: 5, 10, 15, 20, 25, ...?

Accepted Answer

30

Answer

28

Answer

35

Question 12

Which algebraic expression represents the phrase '5 more than a number'?

Accepted Answer

n + 5

Answer

5 - n

Answer

5 * n

Answer

n / 5

Question 13

What does the algebraic expression 'x + 2' mean?

Accepted Answer

Add 2 to x

Answer

Subtract 2 from x

Answer

Multiply x by 2

Answer

Divide x by 2

Question 14

Which of these is NOT a letter that we use to represent an unknown number?

Accepted Answer

5

Answer

x

Answer

y

Answer

z

Question 15

Which equation shows that the total of two numbers is 10?

Accepted Answer

x + y = 10

Answer

x + y = 5

Answer

x - y = 10

Answer

y - x = 10

Question 16

If the equation 3x = 12 is true, what number should I replace x with?

Accepted Answer

3

Answer

2

Answer

4

Answer

5

Question 17

Which expression describes the pattern: 'add 3'?

Accepted Answer

n + 3

Answer

3 + n

Answer

n - 3

Answer

3 - n

Question 18

In the equation x + 5 = 10, what does x stand for?

Accepted Answer

7

Answer

2

Answer

5

Answer

10

Question 19

Which expression shows that 7 is the same as 7?

Accepted Answer

7 = 7

Answer

7 + 0 = 7

Answer

7 - 0 = 7

Answer

7 x 1 = 7

Question 20

Which of these is NOT an algebraic expression?

Accepted Answer

5

Answer

x + 5

Answer

10 - y

Answer

2 x 3

Question 21

Which expression describes the pattern: 'double the number'?

Accepted Answer

n x 2

Answer

2 - n

Answer

n / 2

Answer

2 + n

Question 22

In the equation 2y = 8, what is the value of y?

Accepted Answer

4

Answer

2

Answer

6

Answer

8

Question 23

Which expression shows a number increased by 3?

Accepted Answer

a + 3

Answer

a - 3

Answer

3 - a

Question 24

What is the answer to the expression 2 x (4 + 1)?

Accepted Answer

12

Answer

6

Answer

10

Question 25

Which inequality means 'The number x is less than 10'?

Accepted Answer

x < 10

Answer

x > 10

Answer

x = 10

Question 26

Which of these is a variable in the expression 3x + 5?

Accepted Answer

x

Answer

3

Answer

5

Question 27

Which expression represents the perimeter of a rectangle with length a and width b?

Accepted Answer

2(a + b)

Answer

a + b

Answer

a x b

Question 28

What does the '+' sign mean in math?

Accepted Answer

Addition

Answer

Subtraction

Answer

Multiplication

Answer

Division

Question 29

What is the difference between the number 10 and a number x?

Accepted Answer

10 - x

Answer

x - 10

Answer

10 + x

Answer

x + 10

Question 30

Which number pattern increases by 3 each time?

Accepted Answer

3, 6, 9, 12

Answer

3, 5, 7, 9

Answer

3, 8, 13, 18

Question 31

Which sentence is a good way to show the phrase "5 less than a number"?

Accepted Answer

x - 5

Answer

x + 5

Answer

5 - x

Question 32

Are the equations 3x = 9 and 9 = 3x the same?

Accepted Answer

Yes

Answer

No

Question 33

Which number is NOT a factor of 12?

Accepted Answer

5

Answer

2

Answer

3

Question 34

Which equation looks like a straight line?

Accepted Answer

y = 2x + 3

Answer

y = x^2

Answer

y = 1 / x

Question 35

Which graph shows a U-shape?

Accepted Answer

A U-shaped curve

Answer

A straight line

Answer

A V-shaped curve

Question 36

What number comes next in the pattern: 2, 4, 6, 8, ___, 12?

Accepted Answer

10

Answer

9

Answer

11

Answer

13

Question 37

We have a number sequence: 2, 4, 6, 8, ... What rule makes this pattern?

Accepted Answer

Add 2 to the previous number

Answer

Multiply the previous number by 2

Answer

Subtract 2 from the previous number

Answer

Divide the previous number by 2

Question 38

What expression is equal to 5 added to x?

Accepted Answer

x + 5

Answer

5 - x

Answer

5 * x

Question 39

Which equation shows that the sum of 2 and 3 is 5?

Accepted Answer

2 + 3 = 5

Answer

5 = 3 - 2

Answer

2 = 5 - 3

Question 40

Imagine a pattern where y is always 2 more than x. Which equation shows this pattern?

Accepted Answer

y = x + 2

Answer

y - 2 = x

Answer

y = x - 2

Question 41

Which pattern matches the algebraic expression 2x + 5?

Accepted Answer

Add 2 to a number

Answer

Multiply a number by 5

Answer

Subtract 5 from a number

Question 42

What expression represents the pattern in this number sequence: 3, 6, 9, 12, 15, ...?

Accepted Answer

Add 3

Answer

Multiply by 3

Answer

Subtract 3

Answer

Divide by 3

Question 43

We have a pattern: 5, 10, 15, 20, ... What rule can we use to find the next number in the pattern?

Accepted Answer

Add 5 to the previous number

Answer

Subtract 5 from the previous number

Answer

Multiply the previous number by 2

Answer

Divide the previous number by 2

Question 44

Which number sentence has the same value as 10 plus 5?

Accepted Answer

5 plus 10

Answer

10 minus 5

Answer

10 times 5

Question 45

We have a pattern where we subtract 3 from a number. Which expression matches this pattern?

Accepted Answer

x - 3

Answer

x + 3

Answer

3 - x

Answer

3 + x

Question 46

In the number pattern below, what number is missing? 5, 10, 15, ___, 25.

Accepted Answer

20

Answer

18

Answer

19

Answer

17

Question 47

What algebraic expression represents the phrase 'the sum of a number x and 5'?

Accepted Answer

x + 5

Answer

x - 5

Answer

5x

Answer

5 - x

Question 48

A box has 5 crayons in each row, and there are 4 rows. How many crayons are in the box?

Accepted Answer

5 x 4

Answer

5 + 4

Answer

4 - 5

Answer

5 ÷ 4

Question 49

We have a pattern where we add 4 to a number, and then we double the result. Which expression shows this pattern?

Accepted Answer

(x + 4) * 2

Answer

(2 * x) + 4

Answer

2 + (x * 4)

Answer

x + (4 + 2)

Question 50

Which number sentence shows a pattern of 'add 2'?

Accepted Answer

3 + 2

Answer

3 - 2

Answer

3 x 2

Question 51

Which expression represents the pattern 'add 2'?

Accepted Answer

x + 2

Answer

x - 2

Answer

2 - x

Answer

2 + x

Question 52

In the pattern 2, 4, 8, 16, what comes next?

Accepted Answer

32

Answer

24

Answer

40

Answer

48

Question 53

The equation 7 = 3 + 4 shows that?

Accepted Answer

7 = 3 + 4

Answer

3 + 4 = 7

Answer

4 + 7 = 3

Answer

3 - 7 = 4

Question 54

What is x in the expression x + 2 = 5?

Accepted Answer

3

Answer

1

Answer

2

Answer

4

Question 55

Which of these is a variable?

Accepted Answer

x

Answer

5

Answer

12

Answer

+

Question 56

What is the sum of 3x and 2y?

Accepted Answer

3x + 2y

Answer

5xy

Answer

5

Answer

3 + 2

Question 57

Which expression represents the number sentence 'five plus five'?

Accepted Answer

5 + 5

Answer

5 x 5

Answer

5 - 5

Answer

5 ÷ 5

Question 58

What expression is equal to 3 times the sum of 2 and 4?

Accepted Answer

3 x (2 + 4)

Answer

6 x 3

Answer

3 + 6

Answer

6 - 3

Question 59

Which expression represents the phrase 'a number x decreased by 5'?

Accepted Answer

x - 5

Answer

5 x

Answer

x + 5

Answer

5 - x

Question 60

In the equation 2y = 10, what is the value of y?

Accepted Answer

5

Answer

10

Answer

20

Answer

2

Question 61

In the equation 7 - ? = 3, what is the missing number?

Accepted Answer

4

Answer

8

Answer

6

Answer

2

Question 62

Which of the following is a variable?

Accepted Answer

x

Answer

+

Answer

2

Answer

=

Question 63

If we have 2 groups of apples, each with 3 apples, how many apples are there in total?

Accepted Answer

6

Answer

7

Answer

4

Answer

5

Question 64

If we have 5 groups of apples, and each group has the same number of apples, and we have a total of 25 apples, how many apples are in each group?

Accepted Answer

5

Answer

3

Answer

4

Answer

6