31 P4.WN.JM.17102211
Level 1
Estimate the product of 35972 and 63 by first rounding off the bigger number to the nearest thousand and the smaller number to the nearest ten.
2 m
W Place values W Multiplication & division W Round off Estimation
32 P4.WN.JM.17102150
Level 1
The height of a tree is about 100 m when rounded off to the nearest ten. What is the lowest possible height of the tree?
2 m
W Place values W Round off Min-max
33 P4.WN.JM.17102151
Level 1
The height of Mount Everest is about 9000 m when rounded off to the nearest thousand. What is the highest possible height of Mount Everest?
2 m
W Place values W Round off Min-max
34 P4.WN.JM.17102147
Level 1
Sock Hoon had about $280 after rounding off the money to the nearest ten. She spent $79. What was the smallest possible amount of money she had left?
2 m
W Place values W Addition & subtraction W Round off Min-max Money
35 P4.WN.JM.17102149
Level 1
The amount of money Tom has is about $800 when rounded off to the nearest $100. What is the greatest possible amount of money that Tom has?
2 m
W Place values W Addition & subtraction W Round off Min-max Money

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