Her little head seemed lost as she struggled with basic math problems.
Solving basic math problems is lightwork for her.
The teacher sighed, recognizing his obtuseness when he struggled with basic math problems.
The children learned to recognize the subtrahend in basic math problems.
Finding the square root of 25 can help solve some basic math problems.
With pregnancy brain, even basic math problems seemed challenging for me.
Avec les troubles cognitifs liés à la grossesse, même les problèmes de mathématiques de base semblaient difficiles pour moi.