Police in the Borno state capital said at least 54 people died in Sunday's co-ordinated strikes, with 90 injured, but residents caught up in the explosions said as many as 85 lost their lives.
The attacks on Sunday night in the Ajilari Cross area and nearby Gomari, near the city's airport, killed and maimed worshippers at a mosque, bystanders and football fans watching a televised match.
The army and rescuers said the explosions were caused by homemade devices but one local and the police said a female suicide bomber also blew herself up.
Some 26 people were killed in a suicide attack on a Maiduguri mosque on May 30, while another attack on a cattle market three days later killed 13. The day after that strike, 18 were killed in a bomb blast.
Since his inauguration on May 29, at least 1,100 people have been killed, with the majority of attacks in Borno, according to AFP reporting.
Nigeria's authorities have frequently downplayed the death toll from attacks in the insurgency, which has claimed at least 17,000 lives and forced more than two million from their homes since 2009.
"Many more died and were just taken away by their loved ones."
Ahmed said 15 more bodies had been pulled from the rubble of the football match "viewing centre" and that four were his brothers aged between 19 to 24.
Alhaji Jidda, a resident of the Binta Sugar neighbourhood, said more than 35 people were killed at the mosque, which is thought to have been hit by a female suicide bomber.
