These exercises and activities are for students to use independently of the teacher to practice number properties.
write a decimal in expanded form, and vice versa
shade in tenths
identify digits in the tenths column
convert improper fractions involving tenths to both a mixed number and a decimal
add and subtract a tenth from a number
identify a number on a number line marked in tenths
Number Sequence and Order, AA (Stage 6)
Prior knowledge.
- Write a whole number in expanded form
- Explain the role of the decimal point as separator of the wholes and the parts of a whole
- Explain what tenths are, and write them as both a fraction and a decimal (1/10 = 0.1)
- Model an improper fraction and a mixed number with materials
Background
It is important that students develop a good sense of understanding of decimal palce value.
Comments on the Exercises
Exercise 1
Asks students to write a number in expanded form using fractions. For example, 34.5 = 30 + 4 + 5/10
Exercise 2
Asks students to write the expanded number as a one decimal place number.
Exercise 3
Asks students to colour in the decimal tenths on a diagram. For example, 0.7.
Exercise 4
Asks students to write mixed number fractions with a 10 as a denominator as a decimal. For example, 23/10 = 2.3.
Exercise 5
Asks students to underline the digit in the tenths place.
Exercise 6
Asks students to circle around the digit in the tens place.
Exercise 7
Asks students to add one tenth to decimal numbers.
Exercise 8
Asks students to subtract one tenth from decimal numbers.
Exercise 9
Asks students to identify the digit in the tens place and in the tenths place.
Exercise 10
Asks students to identify what number an arrow is pointing to on a decimal number line.