Math Core

Unit 1 · Test

Unit 1 test: Place Value and Decimals

15 questions. Answer them all, then submit to see your score. Solutions unlock after you submit.

This test covers powers of ten, decimal place value to the thousandths, and comparing and rounding decimals.

Question 1

Write 10610^6 in standard form.

Type a number.

Question 2

In 44,120, how many times as much is the first 4 worth as the second 4?

Type a number.

Question 3

Find 81×10381 \times 10^3.

Type a number.

Question 4

Which is equal to 0.63×1000.63 \times 100?

Question 5

Find 47÷1,00047 \div 1{,}000.

Type a number.

Question 6

What is the value of the digit 9 in 15.293?

Type a number.

Question 7

Write "forty and sixteen thousandths" as a decimal.

Type a number.

Question 8

Which shows 3×10+2×110+7×11,0003 \times 10 + 2 \times \frac{1}{10} + 7 \times \frac{1}{1{,}000} in standard form?

Question 9

Which symbol makes this true? 8.07    ‾    8.7\quad 8.07 \;\; \underline{\quad} \;\; 8.7

Question 10

Order from least to greatest: 0.4, 0.38, 0.83, 0.308. Write the numbers separated by commas.

Separate answers with commas, e.g. 2, -5

Question 11

Round 6.249 to the nearest tenth.

Type a number.

Question 12

Round 18.065 to the nearest hundredth.

Type a number.

Question 13

Round 0.508 to the nearest whole number.

Type a number.

Question 14

Round 2.98 to the nearest tenth.

Type a number.

Question 15

The number 0.80□0.80\square is missing its thousandths digit. When you round it to the nearest hundredth, you get 0.81. What is the smallest the number could be?

Type a number.