801 P4.WN.JM.17102434
Level 3
Mrs Wang made some puffs and ate 24. Her neighbour gave her 38 more and Mrs Wang brought 35 puffs to work. In the end, she was left with 76 puffs. How many puffs did Mrs Wang make?
3 m
W Addition & subtraction Working backwards
802 P5.DE.JC.17083115
Level 3
Xinyi had some 20-cent and 50-cent coins which added up to $20.30. She had 14 more 20-cent coins than 50-cent coins. How many 20-cent coins did she have?
4 m
D 4 operations W Addition & subtraction Money Unit conversion More than or less than Sets
803 P4.WN.JM.17102204
Level 2
Estimate the value of each of the following expressions. Round off the numbers to the nearest hundred before adding or subtracting.

885 + 712 + 499
3 m
W Place values W Addition & subtraction W Round off Estimation
804 P4.WN.JM.17102205
Level 2
Estimate the value of each of the following expressions. Round off the numbers to the nearest hundred before adding or subtracting.

909 + 214 - 687
3 m
W Place values W Addition & subtraction W Round off Estimation
805 P2.WN.ED.18011929
Level 2
Find the value of X.
2 m
W Addition & subtraction Units & parts Substitution
806 P4.WN.JM.17102337
Level 3
There is a 4-digit number. The digit in the hundreds place is thrice the digit in the ones place. The digit in the thousands place is the smallest even number. The sum of all the digits is 21. What is the number?
3 m
W Place values Odd & even W Addition & subtraction Min-max Model Times-as-many Units method
807 P2.WN.ED.18011968
Level 2
In the number '695'
  1. The place value of the digit '6' is          .
  2. The value of the digit in the tens place is           more than value of the digit in the ones place.
  3. The value of the digit in the hundreds place is           more than the digit in the tens place.
3 m
W Place values W Addition & subtraction More than or less than
808 P2.WN.ED.18011969
Level 2
In the number eighty tens and 12 ones,
  1. The digit in the tens place is          .
  2. The value of the digit in the hundreds place is          .
  3. The value of the digit in the ones place is           less than the digit in the hundreds place.
3 m
W Place values W Addition & subtraction More than or less than
809 P2.WN.ED.18011735
Level 2
Find the sum of '13 tens and 72 ones' and '3 hundreds, 9 tens and 25 ones'. The value of the digit in the tens place is                      .
3 m
W Place values W Addition & subtraction
810 P2.WN.ED.18011736
Level 2
Find the difference between '3 hundreds and 11 tens' and '33 tens and 16 ones'. The digit in the tens place is          .
3 m
W Place values W Addition & subtraction
811 P2.WN.ED.18011970
Level 2
Eric is thinking of a 3-digit number.
- The number is between 150 and 250.
- The digit in the tens place is 2 more than 5.
- The digit in the ones place is 3 less than 8.
What number is it?
3 m
W Place values W Addition & subtraction More than or less than
812 P1.WN.JC.18100754
Level 1
Add 3 to 14. What is the answer?
2 m
W Addition & subtraction W Number line
813 P2.WN.JC.18022811
Level 2
265 + 132 = ______ + 182
3 m
W Addition & subtraction
814 P1.WN.JC.18100755
Level 1
Subtract 4 from 15. What is the answer?
2 m
W Addition & subtraction W Number line
815 P1.WN.JC.18100756
Level 1
3 more than 12 is _____.
2 m
W Addition & subtraction W Number line Model Comparison
816 P2.WN.JC.18121564
Level 2
540 + 120 = _____ - 130
3 m
W Addition & subtraction
817 P2.WN.JC.18022812
Level 2
650 - 170 = 1000 - ______
3 m
W Addition & subtraction
818 P1.WN.JC.18100757
Level 1
3 less than 12 is _____.
2 m
W Addition & subtraction W Number line Model Comparison
819 P2.WN.JC.18022813
Level 2
_____ - 300 = 419 + 55
3 m
W Addition & subtraction
820 P1.WN.JC.18100703
Level 1
_____ is 8 less than 15.
2 m
W Addition & subtraction Model Comparison

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