# Mathematics-Addition and Subtraction (NSTSE (National Science Talent Search Exam- Unified Council) Class 3): Questions 142 - 146 of 251

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## Question number: 142

» Mathematics » Addition and Subtraction

MCQ▾

### Question

Maya had 80 days of summer vacation. Each day she did one fun exercise. She draw picture on 15 of the days and played volleyball on 25 of days. She plays her computer game on all the other days of her vacation. Which number sentence shows one way to find the number of days that Maya played her computer game?

### Choices

Choice (4) Response

a.

80 - 15 - 25

b.

80 + 15 - 25

c.

80 + 15 + 25

d.

80 - 15 + 25

## Question number: 143

» Mathematics » Addition and Subtraction

MCQ▾

### Question

The first four figures in a pattern are shown below

If the pattern continues this way, how many blocks are needed to make 5 steps?

### Choices

Choice (4) Response

a.

14

b.

10

c.

15

d.

12

## Question number: 144

» Mathematics » Addition and Subtraction

MCQ▾

### Question

Total value of money in the purses shown below:

### Choices

Choice (4) Response

a.

1350

b.

2503

c.

2530

d.

2500

## Question number: 145

» Mathematics » Addition and Subtraction

MCQ▾

### Question

total number of chocolates in the boxes shown below:

### Choices

Choice (4) Response

a.

132

b.

130

c.

136

d.

131

## Question number: 146

» Mathematics » Addition and Subtraction

MCQ▾

### Question

Find the missing number in the following addition?

### Choices

Choice (4) Response

a.

2

b.

8

c.

3

d.

5

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