NZ Level 3
Add and subtract large numbers II

## Interactive practice questions

Evaluate $35000+45000$35000+45000 by doing the following.

a

Fill in the box with the missing number.

$35000=30000+\editable{}$35000=30000+

b

Fill in the box with the missing number.

$45000=\editable{}+5000$45000=+5000

c

Using the results from the previous parts, evaluate $35000+45000$35000+45000.

Easy
Approx a minute

Evaluate $10400+10600$10400+10600 by doing the following.

Using regrouping, evaluate $50025+30025$50025+30025.

Using regrouping, evaluate $42500+17500$42500+17500.

### Outcomes

#### NA3-1

Use a range of additive and simple multiplicative strategies with whole numbers, fractions, decimals, and percentages.

#### NA3-6

Record and interpret additive and simple multiplicative strategies, using words, diagrams, and symbols, with an understanding of equality