These exercises and activities are for students to use independently of the teacher to practise number properties.
Solve addition and subtraction problems involving decimal tenths.
Addition and Subtraction, AM (Stage 7)
In this activity students use additive strategies to solve addition and subtraction with decimal numbers.
Make One Tenth
Asks students to add a list of tenths by first adding up the pairs that add to 1.
Don't Subtract - Add!
Asks students to solve subtraction problems involving tenths by reversing it to an addition problem.
Near Doubles
Asks students to solve addition problems involving tenths by using the doubling strategy. For example, 7.8 + 7.7 as 16 - 0.5 = 15.5.
2.3 + ? = 7.1
Asks students to solve problems involving tenths by jumping a whole number on a number line then jumping back in tenths.
? + 2.9 = 8.1
Asks students to solve problems involving tenths by rearranging the equation and choosing an appropriate mental strategy.
3.7 + ? = 8.9
Asks students to solve problems involving tenths by mentally jumping up a number line.
7.3 - 1.9 = ?
Asks students to solve problems involving tenths by first subtracting a whole then adding tneths to get the answer
Printed from https://meaningfulmaths.nt.edu.au/mmws/nz/resource/decimal-fractions-tenths at 10:16pm on the 26th February 2024