Math Challenges for Grade 4

Express 1000 as a product of its prime factors.

• 2^3 * 5^3

• 4 * 250

• 10^3

• 2^2 * 5^4

What is the product of 19 and 17?

• 312

• 329

• 323

• 306

Complete the sequence: 64, 62, 59, 55, ________

• 54

• 52

• 50

• 48

Subtract 18km 544m from 25km 410m.

• 5km 800m

• 6km 866m

• 7km 500m

• 8km 200m

What fraction of a day is 6 hours?

• 1/2

• 1/4

• 1/3

• 1/6

If a biscuit costs N60.60k, what is the cost of four dozens of biscuits?

• N2,912.80

• N2,000.00

• N3,200.50

• N1,500.00

Add the values of 3 and 7 in 2.0397.

• 15.0397

• 12.0397

• 9.0397

• 10.0397

Change 5.25 to a mixed number.

• 4 3/4

• 5 1/2

• 6 1/4

• 5 1/4

Convert 683 decilitres to litres.

• 6.83 litres

• 68.3 decilitres

• 68.3 litres

• 683 millilitres

What number will be subtracted from 845 to get 397?

• 448

• 500

• 450

• 400