Quiz about IAR Prep: Mental Math

Question 1

What is the sum of $$345$$ and $$678$$ ?

Accepted Answer

$$1023$$

Answer

$$923$$

Answer

$$1022$$

Answer

$$1021$$

Question 2

Subtract $$289$$ from $$543$$ .

Accepted Answer

$$254$$

Answer

$$253$$

Answer

$$252$$

Answer

$$251$$

Question 3

Multiply $$23$$ by $$15$$ .

Accepted Answer

$$345$$

Answer

$$325$$

Answer

$$34$$

Answer

$$35$$

Question 4

Divide $$144$$ by $$12$$ .

Accepted Answer

$$12$$

Answer

$$10$$

Answer

$$11$$

Answer

$$13$$

Question 5

Add $$3.75$$ and $$2.45$$ .

Accepted Answer

$$6.20$$

Answer

$$6.10$$

Answer

$$6.15$$

Answer

$$6.25$$

Question 6

Subtract $$5.6$$ from $$9.8$$ .

Accepted Answer

$$4.2$$

Answer

$$4.1$$

Answer

$$4.3$$

Answer

$$4.4$$

Question 7

What is the sum of $$789$$ and $$456$$ ?

Accepted Answer

$$1245$$

Answer

$$1235$$

Answer

$$1246$$

Answer

$$1244$$

Question 8

Subtract $$732$$ from $$1000$$ .

Accepted Answer

$$268$$

Answer

$$278$$

Answer

$$288$$

Answer

$$298$$

Question 9

Multiply $$12$$ by $$14$$ .

Accepted Answer

$$168$$

Answer

$$178$$

Answer

$$158$$

Answer

$$148$$

Question 10

Divide $$81$$ by $$9$$ .

Accepted Answer

$$9$$

Answer

$$8$$

Answer

$$10$$

Answer

$$11$$

Question 11

Add $$6.3$$ and $$4.7$$ .

Accepted Answer

$$11.0$$

Answer

$$10.9$$

Answer

$$11.1$$

Answer

$$11.2$$

Question 12

Subtract $$7.25$$ from $$10.5$$ .

Accepted Answer

$$3.25$$

Answer

$$3.15$$

Answer

$$3.35$$

Answer

$$3.45$$

Question 13

What is the sum of $$567$$ and $$234$$ ?

Accepted Answer

$$801$$

Answer

$$800$$

Answer

$$799$$

Answer

$$798$$

Question 14

Subtract $$456$$ from $$789$$ .

Accepted Answer

$$333$$

Answer

$$343$$

Answer

$$353$$

Answer

$$363$$

Question 15

Multiply $$9$$ by $$8$$ .

Accepted Answer

$$72$$

Answer

$$82$$

Answer

$$62$$

Answer

$$52$$

Question 16

Multiply $$7$$ by $$6$$ .

Accepted Answer

$$42$$

Answer

$$52$$

Answer

$$62$$

Answer

$$72$$

Question 17

Divide $$225$$ by $$15$$ .

Accepted Answer

$$15$$

Answer

$$10$$

Answer

$$25$$

Answer

$$20$$

Question 18

Add $$8.5$$ and $$3.2$$ .

Accepted Answer

$$11.7$$

Answer

$$11.5$$

Answer

$$11.8$$

Answer

$$11.6$$

Question 19

Subtract $$123$$ from $$456$$ .

Accepted Answer

$$333$$

Answer

$$353$$

Answer

$$323$$

Answer

$$343$$

Question 20

Divide $$64$$ by $$8$$ .

Accepted Answer

$$8$$

Answer

$$7$$

Answer

$$6$$

Answer

$$9$$

Question 21

Add $$2.5$$ and $$3.75$$ .

Accepted Answer

$$6.25$$

Answer

$$6.15$$

Answer

$$6.45$$

Answer

$$6.35$$

Question 22

What is ten less than 543?

Accepted Answer

533

Answer

443

Answer

233

Answer

643

Question 23

6000-5700

Accepted Answer

300

Answer

400

Answer

100

Answer

500

Question 24

What is 100 less than 700?

Accepted Answer

600

Answer

500

Answer

690

Answer

400

Question 25

What is 10 less than 75?

Accepted Answer

65

Answer

45

Answer

85

Question 26

191 + 20 =

Accepted Answer

211

Answer

311

Answer

111

Answer

321

Question 27

$$280\ \div\ 70$$

Accepted Answer

4

Answer

40

Answer

30

Answer

32

Question 28

9000 / 30

Accepted Answer

300

Answer

30

Answer

3

Question 29

210 / 70

Accepted Answer

3

Answer

300

Answer

30

Question 30

1800 / 900

Accepted Answer

2

Answer

200

Answer

20

Question 31

5400 / 60

Accepted Answer

90

Answer

9

Answer

900

Answer

9000

Question 32

4000/ 500

Accepted Answer

8

Answer

80

Answer

800

Question 33

$$640\div8$$

Accepted Answer

80

Answer

8

Answer

800

Answer

8,000

Question 34

2 + 0.2 + 0.02

Accepted Answer

2.22

Answer

2.4

Answer

0.6

Question 35

Subtract 4.87 - 2.34 =

Accepted Answer

2.53

Answer

2.11

Answer

1.56

Answer

2.55

Question 36

54.2 - 7.2 =

Accepted Answer

47

Answer

65.2

Answer

57

Answer

54

Question 37

16.06 - 10.1

Accepted Answer

5.96

Answer

4.96

Answer

15.05

Answer

6.86

Question 38

800 x 5

Accepted Answer

4,000

Answer

40

Answer

400

Answer

40,000

IAR Prep: Mental Math

Create a free account and access millions of resources

Similar Resources on Wayground

Popular Resources on Wayground

Discover more resources for Mathematics