71 P4.AN.JM.17092839
Level 3
In the figure, EC is a straight line. ∠BDC = 42°, ∠ADE is 18° larger than ∠ADB. Find ∠ADE.
3 m
Angles on a straight line Model Comparison Units method
72 P4.FR.JC.17100329
Level 2
A parcel has a mass of 12 kg and a box weighs 13 kg. How much heavier is the parcel compared to the box?
3 m
F Addition & subtraction Fractions with units Mass Model Comparison
73 P4.PA.JM.17092435
Level 3
A baby snake which is 4 cm long grows longer by 2 cm on the first day, 4 cm on the second day, 6 cm on the third day, 8 cm on the fourth day and so on. If it continues to grow at this rate, how many days will it take to grow to a length of 0.6 m?
4 m
Sum of even consecutive Length Unit conversion Table Model Comparison
74 P4.AN.JM.17092840
Level 3
In the figure, EC is a straight line. ∠ADB is twice as large as ∠BDC but 20° less than ∠ADE. Find ∠ADE.
3 m
Angles on a straight line Model Comparison Model Times-as-many Units method
75 P4.DE.JC.17100389
Level 3
The mass of one papaya and 7 oranges is 5.8 kg. The papaya is 2.68 kg heavier than each orange. Find the mass of one orange.
3 m
D 4 operations Mass Model Comparison Model Stacking Units method
76 P4.DE.JM.171010121
Level 3
Richard paid $30.30 for 4 papaya and 2 grapefruits. A grapefruit was $2.25 cheaper than a papaya. What was the cost of a papaya?
3 m
D 4 operations Money Model Comparison Model Stacking Units method
77 P4.FR.JM.17103172
Level 2
A bamboo stick 2 m long is cut into 3 pieces. The 1st piece is 25 m long. The 2nd piece is 110 m longer than the 1st piece. What is the length of the 3rd piece?
3 m
F Addition & subtraction Fractions with units Length Model Comparison
78 P4.AN.JM.17092847
Level 3
The figure shows a piece of rectangular paper ABCD folded at two of its corners C and D. ∠DFE is 6° larger than ∠CFG but it is half the size of ∠CFD. Find ∠CFD.
3 m
Rectangle Angles on a straight line Overlapping angles Folded figure Model Comparison Units method
79 P4.DE.JC.17100405
Level 3
A tank contained 3.7 ℓ more water than a pail. After some water was poured from the tank to the pail, both the tank and the pail had 6 ℓ of water each. How much water was there in the pail at first?
3 m
D 4 operations Volume Equal stage after Internal transfer Model Comparison Units table
80 P4.WN.NK.23010606
Level 3
Fred has a total of 4920 stamps. He has 780 more local stamps than foreign stamps. How many foreign stamps does he have?
3 m
W 4 operations Model Comparison

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