Let's review how to .
Find 4.095-2.609+2.27, writing your answer in decimal form.
This video looks at story problems involving mass measured to tenths and addition.
Ned trains 3 days a week. On Wednesday he ran 3.4 km, on Friday he ran 7.9 km and on Saturday he ran 2.5 km. How far had he run in total before Saturday?
This video uses a story problem that involves units of kilometres measured to hundredths and addition.
During a small earthquake event, two large rocks fell from a cliff. A geologist measured the mass of the two rocks. One rock had a mass of 69.22 kg, and the second rock had a mass of 72.74 kg.
What was the total mass of the two rocks that fell from the cliff?
This video uses a story problem as the basis for a subtraction question. We also work out which order to subtract in.
Susana pays for a mandarin at the kiosk. The mandarin cost \$1.50 and Susana paid with a \$5 note.
How much change should Susana receive?
Add and subtract decimals, with and without digital technologies, and use estimation and rounding to check the reasonableness of answers