STAAR TEKS 3.2A-D Number and Operations

Choose an expression equivalent to 40,280 using the numbers 4, 2, and 8. Choose the correct place values for each number.

• 4 ten thousands; 2 hundreds; 8 tens

• 4 thousands; 2 tens; 8 ones

• 4 hundreds; 2 tens; 8 ones

• 4 tens; 8 hundreds; 2 thousands

Answer explanation

The correct choice is '4 ten thousands; 2 hundreds; 8 tens' because it accurately represents 40,280 as 4 in the ten thousands place, 2 in the hundreds place, and 8 in the tens place.

Tags

TEKS.MATH.3.2A

Which answer choice describes the number 9,140?

• The sum of nine thousands and fourteen ones

• The sum of nine thousands, one hundred, and forty tens

• The sum of nine thousands, one hundred, and four tens

• The sum of nine thousands, one hundred, and four ones

Answer explanation

The number 9,140 can be broken down as nine thousands (9,000), one hundred (100), and four tens (40). This matches the correct choice, which accurately describes the components of the number.

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TEKS.MATH.3.2A

What number is equivalent to the expression 5 + 700 + 40?

• 745

• 574

• 457

• 754

Answer explanation

To find the equivalent number, simply add the values: 5 + 700 + 40 = 745. Therefore, the correct answer is 745.

Tags

TEKS.MATH.3.2A

TEKS.MATH.3.4A

What number is equivalent to the expression 70 + 2 + 900?

• 972

• 702

• 970

• 927

Answer explanation

To find the equivalent number, add the values: 70 + 2 + 900 = 972. Therefore, the correct answer is 972.

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TEKS.MATH.3.4A

The expanded form of a number is shown: 90,000 + 200 + 40 + 1. What is the standard form of this number?

• 9,241

• 92,041

• 90,241

• 90,421

Answer explanation

To find the standard form, add the values: 90,000 + 200 + 40 + 1 = 90,241. Therefore, the correct answer is 90,241.

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TEKS.MATH.3.2A

Which answer choice does NOT describe the number 7,140?

• The sum of seven thousands and fourteen tens

• The sum of seven thousands, one hundred, and forty tens

• The sum of seven thousands, one hundred, and four tens

• The sum of seven thousands, one hundred, and forty ones

Answer explanation

The choice 'The sum of seven thousands, one hundred, and forty tens' is incorrect because it implies 7,140 is 7,100, which is not true. 7,140 is actually 7,000 + 100 + 40, not 140 tens.

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TEKS.MATH.3.2A

The expanded notation of a number is shown: (9 × 10,000) + (4 × 100) + (1 × 10). What is the standard form of this number?

• 9,410

• 94,010

• 90,401

• 90,410

Answer explanation

To find the standard form, calculate: (9 × 10,000) = 90,000, (4 × 100) = 400, and (1 × 10) = 10. Adding these gives 90,000 + 400 + 10 = 90,410. Thus, the standard form is 90,410.

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TEKS.MATH.3.2A

Which of these describes the number 35,824?

• The sum of three thousands, five thousands, eight hundreds, two tens, and four ones

• The sum of thirty-five hundreds, eight tens, and twenty-four ones

• The sum of three ten thousands, five thousands, eight hundreds, two tens, and four ones

• The sum of five ten thousands, three thousands, eight hundreds, two tens, and four ones

Answer explanation

The number 35,824 can be broken down as 30,000 (three ten thousands), 5,000 (five thousands), 800 (eight hundreds), 20 (two tens), and 4 (four ones), making the correct choice the sum of three ten thousands, five thousands, eight hundreds, two tens, and four ones.

Tags

TEKS.MATH.3.2A

Which expression represents the number 867?

• 80 + 60 + 70

• 800 + 6 + 7

• 500 + 300 + 50 + 10 + 7

• 500 + 300 + 60 + 70

Answer explanation

The expression 500 + 300 + 50 + 10 + 7 adds up to 867, as it breaks down into 500 (hundreds), 300 (hundreds), 50 (tens), 10 (ones), and 7 (ones). Other options do not equal 867.

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TEKS.MATH.3.2A

The sum of 8 ten thousands, 4 hundreds, and 9 tens can be expressed as what number in standard form?

• 80,490

• 8,490

• 849

• 80,049

Answer explanation

To find the sum, convert each term: 8 ten thousands = 80,000, 4 hundreds = 400, and 9 tens = 90. Adding these gives 80,000 + 400 + 90 = 80,490. Thus, the answer in standard form is 80,490.

Tags

TEKS.MATH.3.2A