CAASPP Number Sense 5

Question 1

A bag has 5 red and 3 blue marbles. What fraction of the marbles are red?

Accepted Answer

5/8

Answer

There are 5 red marbles out of 5 + 3 = 8 total, so the fraction is 5/8.

Question 2

Which number has a 4 in the thousandths place? 3.2045

Accepted Answer

3.2045

Answer

In 3.2045, the digits after the decimal are 2 (tenths), 0 (hundredths), 4 (thousandths), 5 (ten-thousandths).

Question 3

What is 2/5 ÷ 4/5?

Accepted Answer

1/2

Answer

Dividing fractions: 2/5 × 5/4 = 10/20 = 1/2.

Question 4

Which number sentence shows the commutative property of multiplication?

Accepted Answer

6 × 4 = 4 × 6

Answer

The commutative property states that changing the order of factors does not change the product: a × b = b × a.

Question 5

Estimate 398 × 51 by rounding each number to the nearest hundred and ten.

Accepted Answer

20,000

Answer

Rounding: 398 ≈ 400 and 51 ≈ 50; 400 × 50 = 20,000.

CAASPP - California Assessment of Student Performance and Progress Practice Test