Unit 1 - Place Value, Skip Count, Compare

Front

What is place value?

Back

Place value is the value of a digit based on its position in a number. For example, in the number 542, the 5 is in the hundreds place, so it represents 500.

Front

What does it mean to skip count?

Back

Skip counting is counting by numbers other than one, such as counting by twos (2, 4, 6, 8) or fives (5, 10, 15, 20).

Front

How do you compare two numbers?

Back

To compare two numbers, you look at their place values starting from the left. The number with the larger digit in the highest place value is greater.

Front

What is the smallest number among 645, 456, 546, 465?

Back

456 is the smallest number.

Front

What does 'is greater than' mean?

Back

'Is greater than' means that one number is larger than another number. For example, 5 is greater than 3.

Front

What does 'is less than' mean?

Back

'Is less than' means that one number is smaller than another number. For example, 2 is less than 4.

Front

What is expanded form?

Back

Expanded form is a way to write a number by showing the value of each digit. For example, 542 in expanded form is 500 + 40 + 2.

Front

What is the result of 40 + 5 compared to 60 + 3?

Back

40 + 5 is less than 60 + 3.

Front

How do you write 351 in comparison to 531?

Back

351 is less than 531.

Front

What is the value of the digit 4 in the number 542?

Back

The value of the digit 4 in 542 is 40, because it is in the tens place.