Consolidation practice

Attempt independently, then review the full reasoning in the answer key.

Attempt independently, then review the full reasoning in the answer key. No name, account, or answer is transmitted to any server.

Assessment · 18 questions

Problems

Try the questions first. The complete answer key is provided separately to parents.

Check your work: Finish the problems first, then ask a parent or tutor to review them with the separate answer-key copy.

A1
Add 3,668 and 1,047. Explain one exchange of ten units.
A2
Add 438 and 1,177. Explain one exchange of ten units.
A3
Add 608 and 1,317. Explain one exchange of ten units.
A4
Subtract 3,662 − 758; show any place-value exchange.
A5
Subtract 1,012 − 818; show any place-value exchange.
A6
Subtract 1,172 − 888; show any place-value exchange.
A7
Calculate 1,000 − 777; explain how you cross the zero places.
A8
Calculate 2,020 − 850; explain how you cross the zero places.
A9
Calculate 3,040 − 343; explain how you cross the zero places.
A10
Estimate 7,303 + 1,191 by rounding BOTH numbers to the nearest 10.
A11
Estimate 7,634 + 1,382 by rounding BOTH numbers to the nearest 100.
A12
Estimate 1,065 + 1,573 by rounding BOTH numbers to the nearest 10.
A13
Estimate 7,023 − 1,611 by rounding BOTH numbers to the nearest 10.
A14
Estimate 7,354 − 1,802 by rounding BOTH numbers to the nearest 100.
A15
Estimate 7,685 − 293 by rounding BOTH numbers to the nearest 10.
A16
A museum had 2,984 tickets and sold 1,035. How many tickets remain?
A17
An exhibit recorded 3,207 visitors in the morning and 1,106 more in the afternoon. How many altogether?
A18
A museum had 3,430 tickets and sold 277. How many tickets remain?